Illegal wildlife trade in North Korea is a shadowy yet thriving enterprise. Beneath the state’s stringent regulatory framework, a dark undercurrent flows - one where endangered species become mere commodities. 



This silent crisis has been investigated by experts at University College London (<a href="https://www.ucl.ac.uk/" target="_blank" rel="noreferrer noopener">UCL</a>). The research reveals the stark reality of a nation where economic desperation and government complicity intertwine to ravage <a href="https://www.earth.com/news/world-wildlife-day-2025-a-global-call-to-protect-nature/" target="_blank" rel="noreferrer noopener">biodiversity</a>.



The study is the first in-depth examination of North Korea’s wildlife trade. Researchers interviewed defectors, including former hunters, middlemen, and buyers, exposing a network of illegal trade that stretches from the country’s dense forests to the bustling markets of China. 



The findings are chilling: endangered species are being hunted, skinned, and sold while the state profits from their suffering.



<h2 class="wp-block-heading" id="h-the-rise-of-black-markets">The rise of black markets</h2>



The collapse of North Korea’s economy in the 1990s reshaped the country’s social and economic fabric. A once-centralized distribution system crumbled, pushing citizens into the shadows of the black market. 



Food shortages forced families to fend for themselves, and in the absence of state support, wildlife became both a lifeline and a lucrative trade.



Hunting, a desperate act of survival, turned into a thriving underground economy. Deer, wild boar, and red fox became prime targets, not just for their meat but for their skins and bones. These products were not only consumed locally but also sold to middlemen, who then smuggled them across the border to China.



Dr. Joshua Elves-Powell, the study’s lead author, connects economic hardship to the surge in <a href="https://www.earth.com/news/world-civet-day-2025-reveals-the-dark-side-of-a-luxury-coffee/" target="_blank" rel="noreferrer noopener">wildlife</a> exploitation. 



“The widespread harvesting of North Korea’s wildlife, driven by the economic limitations of the North Korean state and the shortages of food, medicine and basic goods experienced by many of its citizens, is an important threat to the biodiversity of North Korea and the wider region,” he said.



<h2 class="wp-block-heading" id="h-china-s-role-in-the-wildlife-trade">China’s role in the wildlife trade</h2>



Wildlife trade in North Korea doesn’t end within its borders. China has become a voracious consumer of North Korean <a href="https://www.earth.com/news/earth-day-honors-success-in-clean-energy-and-wildlife-recovery/" target="_blank" rel="noreferrer noopener">wildlife</a> products. 



The study reveals that middlemen capitalize on economic desperation, offering substantial sums for tiger bones, bear bile, and deer antlers.



One former hunter, now a defector, described how deer antlers from large stags could fetch a price that would sustain a family for months. Some antlers, smuggled into China, were ground into medicinal powders and sold as luxury health supplements.



The study also exposes the intricate network of middlemen who facilitate this trade. These brokers navigate a labyrinth of border patrols and bribes, disguising wildlife products as everyday goods. 



Despite international sanctions, the illicit flow of animal products continues, driven by insatiable demand and unchecked corruption.



<h2 class="wp-block-heading" id="h-state-sanctioned-wildlife-exploitation">State-sanctioned wildlife exploitation</h2>



North Korea’s wildlife trade laws ostensibly protect endangered species. Yet the state itself is a key player in the trade of protected <a href="https://www.earth.com/news/un-report-disturbing-details-about-the-state-of-earths-wildlife/" target="_blank" rel="noreferrer noopener">animals</a>. 



The study uncovers how government-run farms raise otters, pheasants, and Asiatic black bears, ostensibly for domestic consumption but ultimately to fuel the black market.



Bear bile farming, a practice condemned globally for its cruelty, continues unabated. North Korea began farming bears in the 1970s, a practice that later spread to China and South Korea. Despite mounting international pressure, the country persists, extracting bile to supply a market that prizes its medicinal properties.



One defector recounted how households were forced to submit <a href="https://www.earth.com/news/pet-dogs-severely-harm-wildlife-even-when-leashed/" target="_blank" rel="noreferrer noopener">animal</a> skins to meet state quotas. Failure to comply could result in severe repercussions. Even children were tasked with raising rabbits, their skins later harvested to produce winter clothing for the military.



<h2 class="wp-block-heading" id="h-traditional-medicine-drives-wildlife-exploitation">Traditional medicine drives wildlife exploitation</h2>



Traditional Korean medicine (TKM) reveres wildlife products for their supposed healing properties. In North Korea, the use of deer antlers, bear bile, and badger oil extends beyond folklore. It is an industry that thrives amid scarcity and desperation.



Participants in the study reported that deer antlers, once reserved for high-ranking officials, are now sold to the highest bidder. Smuggled antlers are processed into powders and pills, marketed as potent health supplements in China.



The trade in badger oil, used to treat ailments ranging from skin conditions to joint pain, is another thriving enterprise. Asian badgers, once common, have become targets of relentless hunting. 



One participant described how wildlife like badgers were captured, killed, and traded for their oil, the resulting product sold as a cure-all in local markets.



<h2 class="wp-block-heading" id="h-north-korea-s-vanishing-wildlife">North Korea’s vanishing wildlife</h2>



In North Korea, the sable is a creature of myth and memory. Once abundant in the country’s forests, this small carnivore is now all but extinct. 



The study details how sable skins, once a common sight in markets, have become so rare that traders refer to them as “ghost pelts.” The report paints a grim picture of a species driven to the brink by relentless hunting.



Sables, valued for their luxurious fur, were trapped, skinned, and smuggled into China, where their pelts fetched exorbitant prices. The trade was so lucrative that some hunters risked their lives crossing frozen rivers to transport their illegal haul.



Amur tigers and leopards face a similar fate. Their skins, bones, and claws are traded as status symbols, used in traditional medicine or displayed as trophies. One defector recounted how a single tiger pelt could fetch a price that would feed a family for a year.



<h2 class="wp-block-heading" id="h-the-dark-side-of-wildlife-breeding">The dark side of wildlife breeding</h2>



Wildlife farms in North Korea are a paradox — legal yet inherently cruel. Bears are caged for bile extraction, otters are bred for their pelts, and deer are farmed for their antlers.



The study highlights how these state-run farms operate under a thin veneer of legality. While their stated purpose is to provide a sustainable source of animal products, in reality, they supply a black market that thrives on animal suffering.



Coypu, a non-native species introduced for its fur, now roams the countryside, an invasive consequence of escaped farm stock. Meanwhile, rabbits, raised under Kim Il Sung’s directives, are now a staple in state-run farms.



One defector described how children in schools were tasked with raising rabbits, their skins later collected by government officials. The meat, considered a “gift” from the state, was a rare protein source in a country where food is perpetually scarce.



<h2 class="wp-block-heading" id="h-wildlife-trade-threatens-biodiversity">Wildlife trade threatens biodiversity</h2>



The consequences of North Korea’s wildlife trade extend beyond its borders. Amur tigers, rebounding in parts of China, risk being poached if they cross into North Korea. 



Deer populations, already decimated, may soon disappear entirely. Dr. Elves-Powell emphasized the need for regional cooperation.



“China can counter this threat by continuing to reduce domestic demand for illegal wildlife and putting diplomatic pressure on its economically dependent neighbour to disengage from state-sanctioned illegal wildlife trade,” he stated.



China’s role is pivotal. Despite being a signatory to the Convention on International Trade in Endangered Species (CITES), the country remains a major market for North Korean wildlife products. 



Strengthening border controls and enforcing stricter penalties for smugglers could significantly curb the flow of illicit goods.



<h2 class="wp-block-heading" id="h-wildlife-trade-and-protection-laws">Wildlife trade and protection laws</h2>



The study concludes with urgent recommendations for North Korea and its neighbors. First, the researchers call for immediate enforcement of existing wildlife protection laws, targeting both state-run farms and private traders.



Second, they advocate for a total ban on bear bile farming, a practice that has been condemned by conservationists for decades. North Korea’s continued participation in this trade not only endangers its bear populations but also tarnishes its international reputation.



Third, the study recommends that China strengthen its efforts to curb demand for illegal wildlife products. Without a crackdown on black market networks, North Korea’s endangered species will continue to vanish, one animal at a time.



Finally, the report emphasizes the need for international pressure. Diplomatic efforts, coupled with targeted sanctions, could compel North Korea to curb its exploitation of wildlife. Yet, as long as economic desperation persists, the allure of quick profits from animal products may prove too strong to resist.



In a land where economic hardship, cultural tradition, and state control converge, North Korea’s wildlife is running out of time. The silent extinction continues, unnoticed, unchecked, and utterly devastating.



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S0006320725001399" target="_blank" rel="noreferrer noopener">Biological Conservation</a>.



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North Korea's wildlife trade targets endangered animals

Illegal wildlife trade in North Korea is a shadowy yet thriving enterprise. Beneath the state’s stringent regulatory framework, a dark undercurrent flows - one where endangered species become mere commodities. This silent crisis has been investigated by experts at University College London (UCL). The research reveals the stark reality of a nation where economic desperation and government complicity intertwine to ravage biodiversity. The study is the first in-depth examination of North Korea’s wildlife trade. Researchers interviewed defectors, including former hunters, middlemen, and buyers, exposing a network of...

Just imagine a world where humans no longer exist, who would take over? Well, it may not be another mammal. Believe it or not, octopuses could be the ones to dominate Earth after humans. 



Scientists have recently made a riveting claim that these eight-limbed, marine invertebrates could become the dominant species on Earth should homo sapiens vanish from existence. It's an intriguing idea, but how is it possible?



<h2 class="wp-block-heading" id="h-hypothetical-world-without-humans">Hypothetical world without humans</h2>



What if humanity were utterly wiped out through wars or climate change? It's a grim concept but it is fascinating to wonder about the <a href="https://www.earth.com/news/octopus-arms-inspire-more-human-like-robots/" target="_blank" rel="noreferrer noopener">potential successors</a> of our civilization.



According to leading experts, octopuses possess the "physical and mental attributes necessary" to evolve into the next civilization-building species.



<h2 class="wp-block-heading" id="h-octopus-taking-over-humans">Octopus taking over humans</h2>



Tim Coulson, a professor at the <a href="https://www.ox.ac.uk" target="_blank" rel="noreferrer noopener">University of Oxford</a>, presents an interesting case for these eight-legged creatures. His argument hinges on the octopuses' "dexterity, curiosity, ability to communicate with each other, and supreme intelligence."



These traits, according to Professor Coulson, equip octopuses with the potential to develop complex tools and methodologies necessary to birth a vast Atlantis-like civilization under the ocean.



<h2 class="wp-block-heading" id="h-why-not-primates">Why not primates?</h2>



One might think that primates, our closest relatives, have the best shot at stepping into our shoes if we were to vacate the world. They have opposable thumbs, use tools, and walk on two legs, right? But according to Professor Coulson, it's not that simple. 



He reasons that primates would face the same threats that could potentially wipe out humanity and thus are also at risk of extinction.



<h2 class="wp-block-heading" id="h-octopuses-competing-with-humans">Octopuses competing with humans</h2>



In an interview with The European magazine, Professor Coulson, who has held positions at institutions like <a href="https://www.imperial.ac.uk" target="_blank" rel="noreferrer noopener">Imperial College London</a> and <a href="https://www.cam.ac.uk" target="_blank" rel="noreferrer noopener">Cambridge University</a>, elaborates on why octopuses are a strong contender.



He refers to them as "the most intelligent, adaptable, and resourceful creatures on Earth," lauding their abilities to solve complex problems, manipulate objects, and even camouflage themselves with near-perfect precision.



Their decentralized nervous system and advanced neural structure, coupled with their exceptional problem-solving skills, make octopuses uniquely suited for an unpredictable world. 



Professor Coulson sees these intelligent cephalopods as an underappreciated contender who could step up as the planet's next intelligent species after humans.



<h2 class="wp-block-heading" id="h-adaptable-survivalists">Adaptable survivalists</h2>



If humans were to go extinct, most scientists concur that the creature to "replace" us should be dextrous. Dexterity, in this context, pertains to the ability to modify their environment and colonize the planet using complex tools, much like humans.



Octopuses' abilities to distinguish between real and virtual objects, solve puzzles, manipulate their surroundings, and adapt to a broad range of environments make them a viable candidate for future rulers of Earth. 



They are also adept at surviving in harsh conditions and are formidable hunters with a wide variety of prey including clams, shrimp, lobsters, fish, sharks, and even birds.



<h2 class="wp-block-heading" id="h-octopuses-and-human-like-settlements">Octopuses and human-like settlements</h2>



With relatively short lifespans, from between 1.5 to five years, one could argue that <a href="https://www.earth.com/news/the-octopus-has-mastered-the-art-of-multispecies-hunting/" target="_blank" rel="noreferrer noopener">octopuses</a> are on the back foot for the long evolutionary race. But here's a counterintuitive thought. 



What if their hasty reproduction and quick intellectual maturity actually give them an advantage in rapidly changing environments, thereby accelerating their evolutionary progress?



According to our Professor Coulson, while octopuses are unlikely to evolve into land-based animals due to their lack of a skeleton and associated challenges with mobility out of water, they could potentially develop underwater cities and towns akin to human settlements on land.



<h2 class="wp-block-heading" id="h-possible-yes-probable-maybe">Possible? Yes. Probable? Maybe.</h2>



In the end, as Professor Coulson reminds us, these are all just speculations. "It's important to remember that these are just possibilities, and that it's impossible to predict with any degree of certainty how evolution will unfold over extended periods."



However, given the <a href="https://www.earth.com/news/octopus-suckers-the-future-of-underwater-adhesives/" target="_blank" rel="noreferrer noopener">octopuses</a>' remarkable intelligence, adaptability, and diverse range of survival strategies, they could indeed emerge as a potential successor to humanity.



Now, whether the octopuses would build vast underwater cities or venture onto land to hunt terrestrial mammals is yet to be determined, and we may never really know.



For now, we will continue to marvel at these fascinating creatures and their potential for becoming the torchbearers of intelligent life on Earth, albeit in the far-flung future.



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Octopuses could dominate Earth if humans vanish

Just imagine a world where humans no longer exist, who...

Have you ever wondered why dog brains exhibit such a wide range of behaviors across breeds? Or why the tiny chihuahua, despite its small stature, seems to have as much personality as the large, stoic St. Bernard? 



In the world of mammals, a larger brain size typically indicates advanced cognition. However, our loyal companions, domestic dogs, seem to defy this logic. 



Dogs have brains that are, on average, 20% smaller than their wild ancestors, the gray wolves. However, domestic dogs showcase a variety of <a href="https://www.earth.com/news/dog-and-human-brains-sync-up-during-eye-contact/" target="_blank" rel="noreferrer noopener">cognitive skills</a> that are on par with - and sometimes even surpass - the wolves’ capabilities.



This discrepancy challenges some of our conventional assumptions about the connection between brain size and intelligence.



<h2 class="wp-block-heading" id="h-dog-brains-and-their-size">Dog brains and their size</h2>



Researchers from the <a href="https://www.umontpellier.fr/en/" target="_blank" rel="noreferrer noopener">University of Montpellier</a>, the University of Zurich, Naturhistorisches Museum Bern, and many other institutions recently embarked on a study to decipher the canine mystery.



The team set out to examine the potential link between breed function, behavior, and relative endocranial volume (REV) - an indicator of relative brain size.



The study included data from 1,682 dogs across 172 breeds, offering a diverse sample. A consistent method of measuring endocranial volumes was used across all dogs, ensuring reliable and accurate results.



Breed categorization was done based on traditional functions outlined by the American Kennel Club, with further analysis of phylogenetic clades. This comprehensive approach allowed the researchers to assess how historical and genetic factors play a role in <a href="https://www.earth.com/news/dogs-shrinking-brain-size-was-partially-caused-by-humans/" target="_blank" rel="noreferrer noopener">brain morphology</a>.



<h2 class="wp-block-heading" id="h-correlation-or-causation">Correlation or causation?</h2>



The results showed a noteworthy correlation between relative endocranial volume and breed function, body size, phylogenetic clade, and cranial shape. 



However, an interesting twist emerged - the correlation between cranial shape and REV was surprisingly weak. It turns out that skull shape alone is not a strong predictor of the size of the brain within.



<h2 class="wp-block-heading" id="h-dog-behavior-and-brain-size">Dog behavior and brain size</h2>



Surprisingly, relative endocranial volume was found to increase with fear, aggression, attention-seeking, and separation anxiety, yet was found to decrease with trainability.



Curiously, our tiny toy breeds, typically bred for companionship, possess the largest relative brain sizes compared to their body mass.



In contrast, working breeds, often selected for complex tasks like guarding, rescue, and policing, exhibit the smallest relative endocranial volume.



This inverse relationship suggests that complex skills, traditionally associated with higher cognition, don't necessarily require larger brains in dogs. What's more, cooperative behaviors showed no significant correlation with relative endocranial volume.



<h2 class="wp-block-heading" id="h-assessment-tools-and-behavioral-traits">Assessment tools and behavioral traits</h2>



The researchers used the Canine Behavioral Assessment and Research Questionnaire (C-BARQ), covering a broad spectrum of temperaments, from trainability to various forms of aggression and fear responses.



The study’s intriguing findings reveal the intricate relationship between a dog's brain structure, behavior, and breed. It suggests the incredibly adaptability of <a href="https://www.earth.com/news/talking-slower-helps-dogs-understand-what-humans-are-saying/" target="_blank" rel="noreferrer noopener">brain</a> size under domestication and the pressures of artificial selection.



The project was led by Dr. Anne-Claude Gingras of the <a href="https://www.uzh.ch/en.html" target="_blank" rel="noreferrer noopener">University of Zurich</a>, whose extensive work in the field of canine behavior and morphology played a significant role in this study.



<h2 class="wp-block-heading" id="h-implications-for-breeding-and-training">Implications for breeding and training</h2>



The research findings have significant implications for both breeding practices and training methodologies. 



Understanding the relationship between brain size, behavior, and breed function can refine breeding strategies to enhance specific traits without relying solely on physical attributes. 



For instance, selecting for desirable behaviors such as sociability or ease of training could be more effectively achieved by considering a breed's endogenous cognitive tendencies rather than focusing only on size or strength. 



Moreover, trainers could tailor their techniques based on a deeper awareness of the intrinsic behavioral propensities associated with different breeds, maximizing the potential of each dog through customized training regimes.



<h2 class="wp-block-heading" id="h-future-research-on-dog-brains">Future research on dog brains</h2>



The study opens new avenues for research into canine cognition, emphasizing the complexity of the relationship between brain morphology and behavior. 



Future investigations could expand the range of behaviors examined, incorporating modern techniques such as neuroimaging to delve deeper into the functional aspects of canine brains. 



Longitudinal studies might explore how domestic dogs' cognitive abilities evolve over time and in response to different environmental influences or societal changes. 



Additionally, comparative studies across other domesticated species may yield insights into the broader processes governing brain evolution in response to domestication. 



Through continued exploration, scientists can deepen our understanding of the domestication process and the unique capacities of our canine companions.



The study is published in the journal <a href="https://royalsocietypublishing.org/doi/10.1098/rsbl.2024.0342" target="_blank" rel="noreferrer noopener">Biology Letters</a>.



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Dog breed behavior linked to brain size

Have you ever wondered why dog brains exhibit such a...

Scientists have recently described a new species of hermit crab that is sure to capture the fascination of both the scientific community and the general public.



Strigopagurus fragarchela, or Strawberry Claws as it is fondly known, is a large hermit crab species that sports a distinctive crimson hue on the tips of its claws and waling legs. Named after its vibrant, red appendages, the crab looks as if it got caught red-handed - or rather red-clawed - in a strawberry patch.



The scientific title of this new hermit crab <a href="https://www.earth.com/news/why-did-billions-of-crabs-vanish-from-the-bering-sea/" target="_blank" rel="noreferrer noopener">species</a> is a clever blend of the Latin form of "strawberry" (fragaria) and "chela." The name highlights a unique feature of this creature - its bright red claws and walking legs.



<h2 class="wp-block-heading" id="h-uncovering-the-hermit-crab">Uncovering the hermit crab</h2>



Peter Davie, an Honorary at <a href="https://www.museum.qld.gov.au" target="_blank" rel="noreferrer noopener">Queensland Museum</a>, and Dr. Marissa McNamara, the Collection Manager, are the scientists behind the discovery of this unique species of crab.



They found it lurking in relatively deep waters, around 120-260 meters below the surface, off the coast of south-eastern Queensland. And, in recognition of its distinct appearance, it has been given the common name "strawberry-clawed hermit."



According to Dr. McNamara, Strawberry Claws' distinctiveness doesn't end with its vibrant color.



She noted that the strawberry-clawed hermit possesses a unique method of producing underwater sound, something called stridulation, which is akin to the natural music that cicadas play above water.



<h2 class="wp-block-heading" id="h-hermit-crabs-of-australia">Hermit crabs of Australia </h2>



The experts knew instantly, upon discovering the <a href="https://www.earth.com/news/billions-of-snow-crabs-vanished-due-to-rising-ocean-temperatures/" target="_blank" rel="noreferrer noopener">crab</a>, that they were on to something special. The identification of Strigopagurus fragarchela brings an exciting addition to its genus. 



Australia seems to be the stronghold for this family of hermit crabs. The land down under boasts four endemic species, and among these, two species are exclusively found in Queensland.



There is still much to learn about these unique hermit crabs. Most of their ecology remains a mystery, as they have only been collected in trawler catches.



However, the crabs undoubtedly play a crucial role in enriching the biological diversity of the continental shelf communities off south-eastern Queensland.



<h2 class="wp-block-heading" id="h-insight-into-hermit-crab-behavior">Insight into hermit crab behavior</h2>



The behavior of hermit <a href="https://www.earth.com/news/mystery-mollusk-glowing-sea-slug-found-in-the-deep-sea/" target="_blank" rel="noreferrer noopener">crabs</a> such as Strawberry Claws provides a rich avenue for scientific inquiry. Hermit crabs do not create their shells but instead repurpose shells discarded by gastropods.



This behavior not only highlights their resourcefulness but also their role in the ecosystem in recycling valuable calcium carbonate material. 



Recent observations indicate that strawberry-clawed hermits are particularly discerning when choosing their homes, often selecting shells that complement and enhance their striking appearance.



This preference suggests a sophisticated level of decision-making that could offer insights into the cognitive abilities of these crustaceans and make them valuable subjects in behavioral studies.



<h2 class="wp-block-heading" id="h-conservation-and-future-studies">Conservation and future studies</h2>



With the discovery of Strigopagurus fragarchela, attention turns to its conservation status and what measures might be needed to ensure its survival.



The influence of deep-sea fishing and potential climate change impacts on this species are currently unknown. 



Future studies are essential to develop a deeper understanding of their habitat requirements, ecology and life cycle. Collaboration between marine biologists, ecologists, and conservationists is crucial to formulating strategies that can protect these fascinating creatures. 



By preserving their environment, we not only safeguard Strawberry Claws but also contribute to the health of marine ecosystems as a whole. This new discovery serves as a catalyst for continued exploration and conservation in the vast, largely unexplored underwater worlds of Australia.



<h2 class="wp-block-heading" id="h-untapped-mysteries-of-the-ocean">Untapped mysteries of the ocean</h2>



Queensland Museum CEO, Dr. Jim Thompson, has expressed high praise for the contributions of Peter Davie and Dr. Marissa McNamara. They made use of museum specimens of other Strigopagurus hermit crabs to support the identification of the new species.



"Our natural history collections are more than just preserved specimens - they are vital tools for&nbsp;<a href="https://phys.org/tags/scientific+discovery/">scientific discovery</a>, conservation and public education," Dr. Thompson said.



"The work of the scientists and researchers at Queensland Museum helps in providing a record of our state's biodiversity for future generations."



The discovery of the strawberry-clawed hermit crab is a fascinating reminder of the <a href="https://www.earth.com/news/ocean-life-100-new-sea-creatures-found-in-chile/" target="_blank" rel="noreferrer noopener">untapped mysteries</a> our oceans hold.



We need to celebrate these curious and vital components of our rich biodiversity as we continue to explore the wonders of our natural world. After all, who knows what else is waiting to be discovered?



The study is published in the journal <a href="https://www.museum.qld.gov.au/collections-and-research/memoirs/nature-65/mqm-n65-7-davie-mcnamara" target="_blank" rel="noreferrer noopener">Memoirs of the Queensland Museum – Nature</a>.



Image Credit: Queensland Museum 



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Strawberry Claws: The hermit crab that sings underwater

Scientists have recently described a new species of hermit crab...

Researchers recently provided the first experimental evidence that hints at a trigger for social learning in the wild, particularly in birds.



Their study of great tits (Parus major) led to the discovery that immigration can make birds pay close attention to their peers' activities, which leads to the swift adoption of useful behaviors. 



Interestingly, it is a long-assumed theory that immigration is a fundamental factor that boosts strategic social learning in birds.



<h2 class="wp-block-heading" id="h-pioneers-of-social-learning">Pioneers of social learning</h2>



A lot of animals learn from one another, especially in the wild. A new study has now focused on social learning in a specific bird species, the great tit.



These birds gained fame in the 1920s when they began to open foil milk bottle lids to feed on the cream inside them.



People across Europe started to find their milk bottles raided by <a href="https://www.earth.com/news/female-birds-commit-to-caring-for-young-males-abandon-family-life/">bird</a><a href="https://www.earth.com/news/female-birds-commit-to-caring-for-young-males-abandon-family-life/" target="_blank" rel="noreferrer noopener">s</a>, a behavior that spread rapidly and led scientists to speculate that these birds were learning from each other.



<h2 class="wp-block-heading" id="h-secret-of-bird-learning">Secret of bird learning</h2>



Research in 2015 by Lucy Aplin, then at the <a href="https://www.ox.ac.uk" target="_blank" rel="noreferrer noopener">University of Oxford</a>, addressed this speculation in an experiment on a population of great tits in an English forest.



The results revealed that these birds learned how to free food from a puzzle box by mimicking others. This supported the theory that the <a href="https://www.earth.com/news/birds-have-regional-accents-just-like-humans/" target="_blank" rel="noreferrer noopener">birds</a> were probably passing on this thieving behavior to the rest of their flock.



<h2 class="wp-block-heading" id="h-logic-behind-social-learning-in-birds">Logic behind social learning in birds</h2>



"Paying attention to what others are doing gives you the chance to see whether a new behavior is beneficial, or potentially dangerous. Copying it means that you too can reap the reward," explained study lead author and postdoctoral researcher Michael Chimento, who worked with Aplin's team.



This notion fits well into the framework of survival instincts present in wild <a href="https://www.earth.com/news/translocated-birds-can-learn-the-local-songs-to-survive/" target="_blank" rel="noreferrer noopener">animals</a>, where learning and adopting advantageous behaviors could spell the difference between life and death.



<h2 class="wp-block-heading" id="h-catalyst-of-learning-in-the-wild">Catalyst of learning in the wild</h2>



Chimento and Aplin wanted to identify a specific trigger or component that could propel social learning. Theoretical models suggested that animals should change their social learning strategy when faced with new environments. 



Essentially, an animal in a new habitat may be more inclined to learn from others. However, this theory had not been experimentally tested in non-human animals until the current study.



The team formulated an experiment, using an automated puzzle box system, to test this hypothesis. They first created experimental social groups of wild-caught great tits.



Each group had a tutor bird that was trained to access food from a puzzle box by pushing the door either left or right.



<h2 class="wp-block-heading" id="h-immigrant-birds-adapt-to-new-methods">Immigrant birds adapt to new methods</h2>



The scientists also simulated an immigration event. Birds trained to push right were transferred to aviaries where resident birds were using the left-hand solution, and vice versa. 



Most "immigrant" birds switched their method immediately. They adopted the resident solution on their first try, suggesting social learning was at play.



Interestingly, these immigrant birds were not only moved to a location where residents were getting better food; their visual environment was also dramatically altered. 



The scientists changed the foliage in the experimental aviaries, which proved to be a game-changer for learning. Immigrant birds moved to locations where the vegetation was not changed were much slower to learn the behaviors of the local birds. 



<h2 class="wp-block-heading" id="h-critical-survival-strategy">Critical survival strategy</h2>



This fascinating study provides the first experimental evidence showing the powerful impact of immigration on how <a href="https://www.earth.com/news/tiny-bird-sheds-light-on-the-evolution-of-vocal-learning/" target="_blank" rel="noreferrer noopener">animals learn</a> from one another.



In nature, animals are frequently moving from one environment to another, so it is advantageous to have a strategy for discerning useful and maladaptive behaviors in new places.



<h2 class="wp-block-heading" id="h-broader-implications-of-the-research">Broader implications of the research </h2>



The implications of this research extend beyond avian social learning and touch upon ecosystem dynamics as a whole. 



When animals, such as great tits, migrate and adapt quickly to new surroundings by learning from resident species, it affects the composition and interaction patterns within ecosystems.



This behavior supports biodiversity and enhances the resilience of ecosystems by enabling a variety of species to coexist, despite changes in environmental conditions or the introduction of new species.



Understanding these dynamics can inform conservation strategies, and highlight the role of social learning in ecosystems that are facing climate change and habitat destruction.



<h2 class="wp-block-heading" id="h-social-learning-and-human-parallels">Social learning and human parallels</h2>



Remarkably, the patterns of social learning observed in birds find parallels in human behavior, particularly in how knowledge and cultural practices are spread across communities. 



Like the great tits, humans often adapt to new environments by observing and mimicking the behaviors of others. This capability has been crucial in our evolution, allowing communities to adapt rapidly and thrive in diverse and changing environments.



The study of social learning in birds, therefore, offers valuable insights into the evolutionary mechanisms that have shaped not only avian species but also human society. Such studies illustrate the interconnectedness of all life and the shared strategies that underpin survival and adaptation.



Our understanding of social learning in animals can contribute significantly to preserving biodiversity and ensuring species survival. 



With such experimental evidence, we can better understand the coping mechanisms and adaptive behaviors animals employ in their constantly changing environments.



The study is published in the journal <a href="https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3002699" target="_blank" rel="noreferrer noopener">PLOS Biology</a>.



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Immigrant birds learn useful behaviors from their neighbors

Researchers recently provided the first experimental evidence that hints at...

Every day, we share our cities with an array of wildlife. From birds and insects to squirrels and raccoons, these creatures navigate the concrete jungles alongside us. 



But in Los Angeles, a global city of over 18 million people, there's another species sharing the living space - the elusive mountain lion. 



A recent study from the University of California (UC), Davis, Cal Poly Pomona, and the National Park Service highlights an intriguing aspect of urban wildlife. 



The researchers found that mountain lions of Los Angeles are shifting their activities, avoiding typically human-frequented spaces to maintain a safe distance.



<h2 class="wp-block-heading" id="h-changing-habits-of-mountain-lions">Changing habits of mountain lions</h2>



As urban centers grow, wildlife is increasingly adapting to human proximity. The study revealed that mountain <a href="https://www.earth.com/news/honoring-the-king-of-the-jungle-on-world-lion-day/" target="_blank" rel="noreferrer noopener">lions</a> in areas with higher levels of human recreation were more nocturnal than their counterparts in secluded regions.



The cats in more remote places preferred being more active during dawn and dusk, showing a stark contrast in their activity patterns.



<h2 class="wp-block-heading" id="h-flexibility-in-mountain-lion-activity">Flexibility in mountain lion activity</h2>



Ellie Bolas is Ph.D. candidate in the <a href="https://search.app?link=https%3A%2F%2Fwww.ucdavis.edu%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">UC Davis</a> Department of Wildlife, Fish and Conservation Biology and the study's lead author.



"This flexibility we see in mountain lion activity is what allows us to share these natural areas together. Mountain lions are doing the work so that coexistence can happen," said Bolas.



From 2011 to 2018, the research team monitored 22 mountain lions living in the Santa Monica Mountains and the surrounding region. 



These mountain lions, captured and fitted with GPS and accelerometer collars, provided crucial data that was analyzed alongside a global database of GPS-tracked human activities.



<h2 class="wp-block-heading" id="h-human-impact-on-mountain-lions">Human impact on mountain lions</h2>



"The study shows how humans may be affecting wildlife in less obvious ways than killing them with vehicles," noted Seth Riley, branch chief for wildlife at Santa Monica Mountains National Recreation Area.



According to Riley, it is remarkable that a large felid predator still persists in one of the world's largest urban areas.



<h2 class="wp-block-heading" id="h-mountain-lions-responding-to-humans">Mountain lions responding to humans</h2>



In the most active recreational area, Griffith Park, mountain lions acted differently compared to those in the lesser active Santa Susana Mountains and Los Padres National Forest. 



Generally, female lions were more active closer to sunrise and during daylight hours, likely to strategically avoid male lions who posed threats to them and their kittens.



<h2 class="wp-block-heading" id="h-nocturnal-mountain-lions">Nocturnal mountain lions</h2>



Two male mountain lions living in small, isolated natural areas with many trails and high levels of human recreation were found to be the most nocturnal. 



Both of these cats occupied two of the smallest home ranges ever recorded for male adult lions. P41, the study's most nocturnal lion, lived in the Verdugo Mountains, a small range spanning several cities.



P22, known as the "Hollywood Cat," preferred to keep a low profile despite the fame he earned after crossing two busy freeways to find a home in active Griffith Park. He was the second most nocturnal <a href="https://www.earth.com/news/steller-sea-lions-threatened-by-rising-mercury-levels/" target="_blank" rel="noreferrer noopener">lion</a> in the study.



P22's story demonstrates how, when faced with increased human activity, mountain lions actively avoid human contact.



<h2 class="wp-block-heading" id="h-how-humans-can-help-these-big-cats">How humans can help these big cats</h2>



While mountain lions show remarkable adaptability, coexistence isn't a one-way street. We can contribute by understanding that dawn or dusk is prime time for mountain lion activity, and by being extra cautious when driving at night.



Urban areas pose various challenges for mountain lions, including busy roadways, wildfires, rodenticide exposure, low genetic diversity, and fragmented habitats.



"Even something as innocuous as recreation can add to these other stressors, potentially altering the amount of energy they have to expend for hunting and other needs," said Bolas.



"Coexistence is happening, and it’s in large part because of what mountain lions are doing."



<h2 class="wp-block-heading" id="h-peaceful-human-wildlife-coexistence">Peaceful human-wildlife coexistence </h2>



In the quest for peaceful human-wildlife <a href="https://search.app?link=https%3A%2F%2Fwww.earth.com%2Fnews%2Fhuman-wildlife-overlap-is-rapidly-rising-across-the-globe%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">coexistence</a>, this research offers a ray of hope. It's impressive how mountain lions, magnificent creatures who are integral to the ecosystem, are making changes to their behavior for a shared existence with humans.



Their adaptation serves as a gentle reminder of the resilience of nature and the potential for coexistence if both humans and wildlife are willing to adjust.



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S0006320724003744?via%3Dihub" target="_blank" rel="noreferrer noopener">Biological Conservation</a>.



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Mountain lions cleverly change their habits to avoid humans

Every day, we share our cities with an array of...

The,Great,Lakes,,Aerial,Turquoise,Ocean,Photo,From,Clear,Sky,

Scientists have uncovered a disturbing twist in how climate change affects our oceans, revealing that tiny changes at the bottom of the food chain can have massive impacts on most fish populations.



The findings of a recent study highlight the intricate workings of the ocean's food web and how it's more vulnerable to warming temperatures than previously thought.



<h2 class="wp-block-heading" id="h-tiny-ocean-creatures-big-fish-impact">Tiny ocean creatures, big fish impact</h2>



<a href="https://www.earth.com/news/arctic-heatwaves-have-complex-effects-on-phytoplankton-food-web/" target="_blank" rel="noreferrer noopener">Phytoplankton</a> are tiny, plant-like organisms that float around in oceans, seas, and lakes. Even though you can't see them without a microscope, they're incredibly important. 



They use sunlight to make their own food through photosynthesis, just like plants do on land. In the process, they produce a huge amount of the Earth's oxygen -- some estimates say up to half of it. 



These little guys are the starting point of the food chain in aquatic environments, feeding small fish, shrimp, and other marine creatures.



<a href="https://www.earth.com/news/dust-from-africa-sparked-a-massive-phytoplankton-bloom/" target="_blank" rel="noreferrer noopener">Phytoplankton</a> also play a big role in absorbing carbon dioxide from the atmosphere, helping to regulate our planet's climate. But they're sensitive to changes in their environment, like warming waters.



When climate models predict that warming oceans will reduce phytoplankton levels by 16% to 26% in regions like the North Atlantic, it's a cause for concern.



But here's where it gets alarming: the study found that this seemingly modest drop in phytoplankton could slash the ocean's capacity to support fish by a staggering 38% to 55%. That's more than double the initial decrease in phytoplankton.



<h2 class="wp-block-heading" id="h-phytoplankton-and-the-hidden-amplifier">Phytoplankton and the hidden amplifier</h2>



Dr. Angus Atkinson from the <a href="https://pml.ac.uk/" target="_blank" rel="noreferrer noopener">Plymouth Marine Laboratory</a> and Dr. Axel Rossberg of <a href="https://www.qmul.ac.uk/" target="_blank" rel="noreferrer noopener">Queen Mary University</a> of London led the research team behind this discovery.



They took a straightforward approach by examining real-world data on plankton sizes from oceans, seas, and lakes around the globe. 



By looking at the sizes of plankton, they could determine how efficiently energy moves up the food chain -- from tiny phytoplankton to the fish we rely on.



This amplification effect hinges on a surprising twist: temperature, often blamed for food web disruptions, appears to play a secondary role. 



Instead, the key driver is the overall amount of phytoplankton, which governs how efficiently energy flows from tiny plankton to larger fish.



"Our global analysis sheds light on a hidden vulnerability," explained Dr. Atkinson. "We were surprised to find temperature didn't directly affect food web efficiency. Instead, we see ecosystems <a href="https://www.earth.com/news/invisible-forest-of-phytoplankton-thrives-in-a-warming-climate/" target="_blank" rel="noreferrer noopener">adapting to warming</a> by changing plankton size. "



<h2 class="wp-block-heading" id="h-nutrients-the-unsung-hero">Nutrients: The unsung hero</h2>



In the open ocean, nutrients come from deeper waters. As the surface warms, it becomes more layered, making it harder for these nutrients to reach the <a href="https://www.earth.com/image/spectacular-phytoplankton-bloom-in-the-north-atlantic/" target="_blank" rel="noreferrer noopener">phytoplankton at the top</a>.



"Close to shore or in lakes, excess nutrients from land can cause imbalances like harmful algal blooms," notes Dr. Rossberg. 



"But at the vast scales relevant to climate change, it's the lack of nutrients from deeper waters that becomes the major bottleneck."



To clarify, warming oceans, seas, and lakes impact fish indirectly by reducing nutrient supply from <a href="https://www.earth.com/news/toxic-legacy-decades-old-ddt-found-in-deep-sea-fish/" target="_blank" rel="noreferrer noopener">deeper waters</a>, ultimately shrinking phytoplankton size and hindering energy transfer throughout the food web.



<h2 class="wp-block-heading" id="h-real-world-impact-for-ocean-fish">Real world impact for ocean fish</h2>



When phytoplankton numbers change, the impact can ripple through the entire <a href="https://www.earth.com/news/oceans-twilight-zone-stabilizes-the-marine-food-chain/" target="_blank" rel="noreferrer noopener">marine ecosystem</a>, impacting everything from water quality to the abundance of fish.



This isn't just a problem for the fish; it's a problem the planet. Many communities around the world depend on fishing for food and livelihood. 



The study highlights the need to consider climate change impacts when managing fisheries.



"Global averages can mask the true picture," explains Dr. Atkinson. "Some of the most significant projected declines are in areas with concentrated <a href="https://www.earth.com/news/fish-stocks-are-collapsing-globally-as-overfishing-continues/" target="_blank" rel="noreferrer noopener">fishing activities</a>."



<h2 class="wp-block-heading" id="h-what-happens-next">What happens next?</h2>



So, what can we do about it? The researchers suggest a multi-pronged approach to ensure sustainable fisheries in the face of climate change. 



"We need a combination of data on plankton size structure and sophisticated computer simulation models to design truly 'climate-smart' ocean protection strategies," concludes Dr. Rossberg. 



"By understanding the hidden amplifiers within the food web, we can better safeguard the future of our oceans and the vital resources they provide."



<h2 class="wp-block-heading" id="h-oceans-fish-and-the-global-food-chain">Oceans, fish, and the global food chain</h2>



To sum it all up, these scientists found that even a small drop in phytoplankton levels due to warming oceans can massively reduce fish populations. 



They discovered that it's not just the temperature rise itself causing problems, but the decrease in nutrients reaching these tiny organisms. 



This leads to smaller plankton and less efficient energy transfer <a href="https://www.earth.com/news/microbial-awakening-arctic-food-webs-are-transforming-from-green-to-brown/" target="_blank" rel="noreferrer noopener">up the food chain</a>, which is bad news for fish and, by extension, us.



This study underscores underscores the interconnectedness of Earth's ecosystem. Tiny changes at the bottom can have huge impacts at the top. 



It's a reminder that we need to pay attention to even the smallest players in the ecosystem if we want to protect the health of our planet. 



By understanding these hidden mechanisms, we can work towards smarter strategies to safeguard our oceans and the communities that rely on them.



The full study was published in the journal <a href="https://www.nature.com/articles/s41467-023-44406-5" target="_blank" rel="noreferrer noopener">Nature Communications</a>.



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Oceans and lakes will soon be unable to support fish populations

Scientists have uncovered a disturbing twist in how climate change...

In a refreshing attempt to understanding animal consciousness and emotions, a group of researchers from various disciplines have come together to share their thoughts.



The research team was led by Dr. Marcela Benítez, assistant professor of anthropology at Emory University. 



"As far as we know, this is the first assessment of how animal behavior researchers across a range of disciplines think about emotions and consciousness in non-human animals," said Professor Benítez.



<h2 class="wp-block-heading" id="h-quantifying-animal-emotions">Quantifying animal emotions</h2>



The research shows that a majority of the researchers ascribed <a href="https://www.earth.com/news/human-emotions-evoke-different-responses-in-dogs-and-pigs/" target="_blank" rel="noreferrer noopener">emotions</a> to non-human primates (98%), mammals (89%), birds (78%), and even to octopus, squids, and cuttlefish (72%), and fish (53%). 



Incredibly, sentiments are even expressed towards invertebrates (71%) and insects (67%).



Anthromorphism - projecting human experiences onto <a href="https://www.earth.com/news/dogs-can-feel-our-emotions-through-our-heart-rate/" target="_blank" rel="noreferrer noopener">animals</a> - and anthropodenial - the denial of any human characteristics in animals - were identified as hazards in animal behavioral research.



Surprisingly, 89% of the respondents thought anthropodenial was more problematic compared to only 49% who thought anthromorphism posed a risk. "That seems like a significant shift," said Professor Benítez.



<h2 class="wp-block-heading" id="h-history-of-animal-emotion-studies">History of animal emotion studies</h2>



The question of whether animals experience emotions has kept thinkers busy since Aristotle and Descartes. 



Charles Darwin also addressed this topic, writing that “the lower animals, like man, manifestly feel pleasure and pain, happiness and misery.” 



However, mid-20th-century behavioral theorists dismissed the study of animal emotions since these feelings were seen as scientifically unquantifiable.



<h2 class="wp-block-heading" id="h-the-study-of-animal-cognition">The study of animal cognition</h2>



The late primatologist Frans de Waal, an emeritus professor of psychology at Emory, revolutionized the study of animal cognition through his profound studies. 



"Frans de Waal definitely helped kick open the door," said Benítez, crediting him for enabling new scientists to question the <a href="https://www.earth.com/news/chick-emotions-shed-new-light-on-animal-welfare/" target="_blank" rel="noreferrer noopener">inner lives of animals</a>.



Matthew Zipple, a neurobiologist at <a href="https://www.cornell.edu" target="_blank" rel="noreferrer noopener">Cornell University</a>’s Laboratory for Animal Social Evolution and Recognition, is the paper's first author. Emory postdoctoral fellow Mackenzie Webster and philosopher Caleb Hazelwood were also part of the team.



Professor Benítez, whose research focuses on cooperation and other social behaviors in capuchin monkeys, recognizes the influence of de Waal's work in her career.



"A key component of cooperation often involves forming <a href="https://www.earth.com/news/recognizing-emotions-in-horses-can-improve-their-health/" target="_blank" rel="noreferrer noopener">emotional bonds</a> with one another. So, I can’t shy away from considering emotions in my research," she said.



<h2 class="wp-block-heading" id="h-survey-on-animal-emotions">Survey on animal emotions</h2>



To examine researchers' perceptions on animal emotions, Professor Benítez and her team developed a meticulous survey that was distributed to graduate school programs in animal behavior research across various disciplines.



The respondents included several specialities - behavioral ecologists, evolutionary biologists, neuroscientists, cognitive psychologists, biological psychologists, and more.



<h2 class="wp-block-heading" id="h-challenges-in-defining-emotion-in-animals">Challenges in defining emotion in animals</h2>



Towards the end of the survey, respondents were asked to define "emotion."



“I don’t have a clear definition either,” said Benítez. “I see emotions as a sort of internal process in responding to external stimuli that has an impact on how a situation is perceived. I go to the most basic definition because that allows us to explore that capacity in non-human primates.”



Animal studies present unique challenges. A key issue in lab experiments is replicating the animal's natural environment. In the wild, it's difficult to design and control the experiment.



<h2 class="wp-block-heading" id="h-innovative-solutions-for-age-old-challenges">Innovative solutions for age-old challenges</h2>



Professor Benítez is pioneering a new approach to bridge this gap. She co-directs the Capuchins de Taboga Costa Rica project, which studies both captive and wild capuchins.



Her team is using AI techniques, facial recognition software, and touch screen computers on presentation platforms in the wild to better understand capuchin monkey behavior.



<h2 class="wp-block-heading" id="h-ethical-implications-of-animal-studies">Ethical implications of animal studies</h2>



The exploration of animal consciousness and emotions extends beyond the realms of science and ethics, challenging the moral considerations and treatment of animals across various settings. 



Researchers must navigate complex ethical terrains, balancing scientific inquiry with the welfare and respectful treatment of the animals involved. 



The understanding that animals might possess emotions akin to humans necessitates humane treatment protocols and raises questions about the ethical implications of using animals in research, entertainment, and agriculture. 



As research in this field progresses, there remains an ongoing dialogue regarding the responsibility of scientists to advocate for policies that protect animal rights while advancing scientific knowledge.



<h2 class="wp-block-heading" id="h-the-future-of-animal-emotion-research">The future of animal emotion research</h2>



Looking ahead, the future of animal emotion research promises to integrate even more advanced methodologies and cross-disciplinary collaborations that push the boundaries of our understanding. 



As AI and machine learning continue to evolve, these technologies offer new ways of analyzing and interpreting animal behaviors at unprecedented scales, providing deeper insights into their emotional lives. 



Additionally, promoting collaborations between behavioral scientists, technologists, ethicists, and policymakers can help develop innovative approaches that are scientifically rigorous and ethically sound. 



Embracing these future directions can drive the field toward more holistic understandings of non-human animals, ultimately transforming how society views and interacts with the <a href="https://www.earth.com/news/world-animal-day-2024-building-a-legacy-of-compassion/" target="_blank" rel="noreferrer noopener">animal kingdom</a>.



“We’ve only scratched the surface of exploring what animals are capable of experiencing,” said Professor Benítez.



“Understanding the evolution of emotions is integral to understanding our own ancestry. In what ways are we a unique species? It’s an exciting time as new methods may help us better understand how an animal may be feeling and how that links to the decisions they make.”



The study is published in the journal <a href="https://royalsocietypublishing.org/doi/10.1098/rsos.241255" target="_blank" rel="noreferrer noopener">Royal Society Open Science</a>.



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Animals, possibly even insects, have emotions

In a refreshing attempt to understanding animal consciousness and emotions,...

The planet keeps surprising us with its hidden wonders, even in a time when we thought we had seen it all. The latest surprise is a gigantic coral organism, so immense that it can be seen from space, concealed below the waters of the Solomon Islands.



This colossal coral has a staggering circumference of 183 meters. It's not a simple, singular life form, but an intricate collection of individual coral polyps. 



The massive coral system is estimated to have been growing and expanding for the past three to five centuries.



The location of this underwater marvel? The region of the western <a href="https://www.earth.com/news/pacific-coral-reefs-have-naturally-increased-their-heat-tolerance/" target="_blank" rel="noreferrer noopener">Pacific</a>, often referred to as the "coral triangle." 



The scientists who have brought this hidden gem to light are members of the National Geographic Pristine Seas team.



<h2 class="wp-block-heading" id="h-significance-of-the-massive-coral">Significance of the massive coral</h2>



As active as a bustling city, yet as quiet as a vast desert, this formation is a haven teeming with an array of <a href="https://www.earth.com/news/1-8-million-species-are-yet-to-be-identified-in-the-ocean/" target="_blank" rel="noreferrer noopener">marine species</a>, including various fish, crabs, and shrimps.



It isn't just a large rock but a living, pulsating ecosystem that's mostly brown with splashes of vivid yellows, blues, and reds. This magnificent coral is lovingly referred to as the "Pavona clavus."



According to Enric Sala, a marine ecologist and explorer in residence for <a href="https://search.app?link=https%3A%2F%2Fwww.nationalgeographic.com%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">National Geographic</a>, the discovery of this coral is as monumental as finding the world's tallest tree.



"Just when we think there is nothing left to discover on planet Earth, we find a massive coral made of nearly 1bn little polyps, pulsing with life and color," said Sala.



<h2 class="wp-block-heading" id="h-millions-of-connected-organisms">Millions of connected organisms</h2>



The colossal coral stands in stark contrast to a traditional <a href="https://www.earth.com/news/healthy-coral-reefs-crackle-with-the-sounds-of-busy-inhabitants/" target="_blank" rel="noreferrer noopener">coral reef</a>. The latter is a complex network of many coral colonies, whereas this discovery is a standalone entity.



It has grown nonstop with polyps originating from larvae that settled on the seabed and then multiplied into millions of other genetically identical polyps over the centuries.



When the team initially spotted this organism, which is 34 meters wide, 32 meters long, and more than 5 meters high, they mistook it for a shipwreck. 



The expedition’s underwater cinematographer took the plunge more than 12 meters down to the coral and discovered it was, in fact, a Pavona clavus.



<h2 class="wp-block-heading" id="h-what-this-discovery-means">What this discovery means </h2>



Ronnie Posala, an officer for the Solomon Islands fisheries ministry, commented on the significance of the discovery. 



“For the people of the Solomon Islands, this mega coral discovery is monumental. It reinforces the importance of our ocean, which sustains our communities, traditions, and future," said Posala.



He emphasizes how such discoveries remind us of our duty to safeguard these natural wonders for their ecological value and the livelihoods and cultural identity they provide.



Eric Brown, a coral scientist for the Pristine Seas expedition, views the giant coral system as an encouraging sign. 



“While the nearby shallow reefs were degraded due to <a href="https://www.earth.com/news/in-warmer-seas-cold-spells-are-vanishing/" target="_blank" rel="noreferrer noopener">warmer seas</a>, witnessing this large healthy coral oasis in slightly deeper waters is a beacon of hope," said Brown. 



<h2 class="wp-block-heading" id="h-coral-resilience-and-threats">Coral resilience and threats</h2>



The discovery of this giant coral serves as a powerful reminder of the resilience of our complex marine ecosystems, but also highlights the ongoing threats they face.



Coral reefs worldwide are increasingly impacted by climate change, pollution, and unsustainable fishing practices. 



The Solomon Islands' Pavona clavus, flourishing in slightly deeper waters, may highlight a potential adaptation strategy against warming seas, demonstrating that some corals may survive where others cannot.



Scientists hope that this remarkable find will prompt further research into how deeper-water corals manage to thrive despite changing conditions, potentially offering insights into preserving and protecting more vulnerable shallow reef systems.



<h2 class="wp-block-heading" id="h-what-are-the-biggest-threats-to-coral-reefs">What are the biggest threats to coral reefs?</h2>



Coral reefs are under significant threat due to a combination of natural and human-induced factors. 



Climate change plays a major role, as rising ocean temperatures cause coral <a href="https://www.earth.com/news/hidden-heatwave-led-to-massive-coral-bleaching-event/" target="_blank" rel="noreferrer noopener">bleaching</a> - a process where corals lose their vibrant colors and vital symbiotic algae, often leading to death.



Additionally, increasing levels of carbon dioxide in the atmosphere contribute to ocean acidification, which weakens coral skeletons and hinders their growth.



Human activities such as overfishing disrupt the delicate balance of reef ecosystems by removing key species that help maintain the health of the coral. 



Pollution further exacerbates the problem, with agricultural runoff introducing excessive nutrients into the water, leading to algal blooms that outcompete corals for sunlight and space. 



Efforts to protect coral reefs focus on addressing these threats through global and local actions, such as reducing greenhouse gas emissions, implementing sustainable practices, and restoring damaged reef areas.



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Largest coral in the world found in the Solomon islands

The planet keeps surprising us with its hidden wonders, even...

In a quiet and picturesque corner of southern Brazil known as Paraíso do Sul, an extraordinary treasure was uncovered -- a fossil so ancient and well-preserved that it may potentially rewrite the narrative of dinosaur evolution.



This remarkable fossil belonged to a dog-sized reptile named Gondwanax paraisensis that roamed the region approximately 237 million years ago. 



This was during the Triassic period -- a time when Earth’s ecosystems were teeming with evolutionary experiments.



As a newly identified species, this fossil holds tremendous potential as a key to unraveling the mysteries surrounding the origin and early development of the oldest dinosaurs.



Although this fascinating discovery has sparked significant intrigue and excitement among paleontologists, the exact position of the fossil in the complex evolutionary tree of life still remains a subject of debate and careful scientific scrutiny.



<h2 class="wp-block-heading" id="h-dinosaur-history-written-in-stone">Dinosaur history written in stone</h2>



In the realms of science, every fossil discovery is like a puzzle piece that can help us better understand our past. And when it comes to the world of paleontology, there are still many puzzles waiting to be solved.



Gondwanax paraisensis walked on four legs and <a href="https://en.wikipedia.org/wiki/Gondwanax#/media/File:Gondwanax_paraisensis.png" target="_blank" rel="noreferrer noopener">was 39 inches in length</a>, with a long tail. It belonged to an extinct group of <a href="https://www.earth.com/news/past-climate-change-drove-the-rapid-evolution-of-reptiles/" target="_blank" rel="noreferrer noopener">reptiles</a> known as silesaurids. These were not true dinosaurs, but are considered a closely related sister group to the dinosaurs.



However, this newly discovered fossil is one of the oldest silesaurids found anywhere in the world, and it may lead scientists to challenge currently accepted theories about the lineage and early <a href="https://www.earth.com/news/dinosaurs-may-have-become-warm-blooded-180-million-years-ago/" target="_blank" rel="noreferrer noopener">evolution of dinosaurs</a>.



"The most important part of this finding is its age,” said Rodrigo Temp Müller, the sole author of the study and a paleontologist at <a href="https://www.ufsm.br/orgaos-de-apoio/sai/welcome-to-ufsm" target="_blank" rel="noreferrer noopener">Federal University of Santa Maria</a> in Brazil. “Because it's so old, it gives us clues as to how dinosaurs came to be."



<h2 class="wp-block-heading" id="h-currently-accepted-dinosaur-evolution-theory">Currently accepted dinosaur evolution theory</h2>



Scientists think dinosaurs first appeared about 230 million years ago during the Triassic period. They evolved from earlier reptiles and quickly diversified into a bunch of different species. 



Over time, dinosaurs became the dominant land animals, filling all sorts of ecological roles. Some grew to massive sizes like the <a href="https://www.earth.com/news/qunkasaura-pintiquiniestra-new-sauropod-dinosaur-discovered-in-spain/" target="_blank" rel="noreferrer noopener">sauropods</a>, while others became fierce predators like the <a href="https://www.earth.com/news/t-rex-was-about-70-percent-bigger-than-we-thought/" target="_blank" rel="noreferrer noopener">Tyrannosaurus rex</a>. 



It's wild to consider how they adapted and evolved unique features like horns, armor, and even feathers over millions of years.



One of the coolest things we've learned is that not all dinosaurs went extinct -- birds are actually their modern descendants. 



Birds evolved from small, <a href="https://www.earth.com/news/dinosaurs-evolved-feathers-for-much-more-than-just-flying/" target="_blank" rel="noreferrer noopener">feathered theropods</a>, meaning every time you see a pigeon or a hawk, you're looking at a living dinosaur. 



This evolutionary link is supported by numerous fossil discoveries that show similarities in skeletal structures, feather patterns, and nesting behaviors. 



Additionally, ongoing research continues to uncover how dinosaurs interacted with their environments and each other, shedding light on their complex social behaviors and survival strategies.



<h2 class="wp-block-heading" id="h-a-lineage-of-questions">A lineage of questions</h2>



There is an ongoing debate among paleontologists about where silesaurids fit in terms of dinosaur evolution. Were they actual dinosaurs or were they just closely related ancestors?



The answer to this question is not straightforward. Some scientists believe that silesaurids are a sister group to dinosaurs, implying that they share a common ancestor but evolved separately.



<figure class="wp-block-image aligncenter size-full"><a href="https://www.earth.com/wp-content/uploads/2024/11/Gondwanax-paraisensis_history-of-dinosaurs_illustration_credit-Gondwana-research_1m.jpg" target="_blank" rel="noreferrer noopener"><img src="https://www.earth.com/wp-content/uploads/2024/11/Gondwanax-paraisensis_history-of-dinosaurs_illustration_credit-Gondwana-research_1s.webp" alt="Illustration showing the evolution of dinosaurs on the Gondwana continent of ancient Earth. Credit: Gondwana research" class="wp-image-1950311"/></a><figcaption class="wp-element-caption">Illustration showing the evolution of dinosaurs on the Gondwana continent of ancient Earth. Credit: Gondwana research</figcaption></figure>



Others, however, hypothesize that some silesaurids may have evolved into ornithischians -- <a href="https://www.earth.com/news/isle-of-wight-fossils-suggest-that-europe-had-unique-plant-eating-dinosaurs/" target="_blank" rel="noreferrer noopener">herbivorous dinosaurs</a>, such as the <a href="https://www.earth.com/news/armor-was-a-boomerang-trait-in-the-story-of-dinosaur-evolution/" target="_blank" rel="noreferrer noopener">Stegosaurus</a> and <a href="https://www.earth.com/news/triceratops-dinosaurs-seem-to-have-developed-complex-social-structures/" target="_blank" rel="noreferrer noopener">Triceratops</a>, that possessed a bird-like pelvic structure.



Understanding silesaurids could potentially lead to a better understanding of what physical traits contributed to the success of early dinosaurs.



However, solving this puzzle has not been an easy task as many fossils of silesaurids are found incomplete or fragmented, making it difficult for scientists to reach consensus regarding the position of silesaurids in the evolutionary tree of dinosaurs. 



<h2 class="wp-block-heading" id="h-new-clues-about-the-history-of-dinosaurs">New clues about the history of dinosaurs </h2>



Physician Pedro Lucas Porcela Aurélio, who discovered the new fossil in 2014, was hit by an indescribable feeling. "Being the first human to touch something from 237 million years ago is extraordinary," he remarked.



When Aurélio handed over the fossil to the paleontologists in 2021, it was encased in hard rock with only the vertebrae visible. 



Surprisingly, Gondwanax was found to have three vertebrae in its hips, unlike its relatives who only had two. This difference suggested that this reptile may have been more dinosaur-like than previously assumed.



If this hypothesis is confirmed, it would not only extend the history of <a href="https://www.earth.com/news/how-did-bird-hipped-dinosaurs-evolve/" target="_blank" rel="noreferrer noopener">ornithischians</a> (bird-like dinosaurs) by up to ten million years, but it would also significantly alter our understanding of dinosaur origin.



<h2 class="wp-block-heading" id="h-what-happens-next">What happens next?</h2>



Despite the enthusiasm around the discovery, scientists still need more fossil evidence to confirm this theory. 



Steve Brusatte, a paleontologist from the <a href="https://www.ed.ac.uk/" target="_blank" rel="noreferrer noopener">University of Edinburgh</a>, highlighted this need for further exploration. 



"I wish I could say that this new silesaurid fossil solves the riddle once and for all," he said. "But for me, it is still an open question."



We will be waiting eagerly for more pieces of this ancient puzzle to surface. Until then, the mystery of the dog-sized reptile continues to linger.



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/abs/pii/S1342937X24002764" target="_blank" rel="noreferrer noopener">Gondwana Research</a>.



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Rare Triassic fossil discovery may rewrite the history of dinosaurs

In a quiet and picturesque corner of southern Brazil known...

Roughly 233 million years ago, Earth's continents were fused into one massive landmass, and life as we know it was on the brink of transformation due to a one-million-year period of rain called the Carnian Pluvial Episode (CPE).



An international team of scientists has found evidence of this significant extinction event, which appears to have paved the way for dinosaurs to become the dominant creatures on Earth.



Involved in this important research are Dr. Jacopo Dal Corso from the <a href="https://en.cug.edu.cn/" target="_blank" rel="noreferrer noopener">China University of Geosciences</a> at Wuhan and Professor Mike Benton from the <a href="https://www.bristol.ac.uk/" target="_blank" rel="noreferrer noopener">University of Bristol</a>. 



Their collaborative efforts have pieced together a pivotal moment in our planet's history that reshaped life both on land and in the oceans.



<h2 class="wp-block-heading" id="h-carnian-pluvial-episode">Carnian Pluvial Episode</h2>



Back in the <a href="https://www.earth.com/news/early-dinosaurs-benefited-from-changes-in-global-climate/" target="_blank" rel="noreferrer noopener">Late Triassic period</a>, all the continents were joined together in a supercontinent known as Pangea, surrounded by the vast Panthalassa Ocean. The interior of <a href="https://www.earth.com/earthpedia-articles/supercontinents-101-pannotia-gondwana-and-pangea/" target="_blank" rel="noreferrer noopener">Pangea</a> was mostly dry and arid, with rainfall occurring mainly near the coastal regions. 



This dry spell took a dramatic turn when a layer of dark gray rock was discovered in Austria's Northern Limestone Alps in the 1970s by geologists Schlager and Schollnberger. 



This layer indicated wet conditions sandwiched between arid periods, suggesting a global climate event -- the Carnian Pluvial Episode.



So, what caused this sudden shift to a wetter climate? The main culprit appears to be massive volcanic eruptions in the Wrangellia Province, an area that now includes parts of Alaska and British Columbia. 



These eruptions released enormous amounts of <a href="https://www.earth.com/news/jurassic-rocks-reveal-new-details-about-earths-climate-system/" target="_blank" rel="noreferrer noopener">carbon dioxide</a> into the atmosphere. 



"The eruptions peaked in the Carnian," notes Dr. Jacopo Dal Corso. "They were so huge, they pumped vast amounts of greenhouse gases like carbon dioxide, leading to spikes of global warming."



<h2 class="wp-block-heading" id="h-pangea-biodiversity-and-evolution">Pangea, biodiversity, and evolution</h2>



The supercontinent known as Pangea joined together almost all of Earth's landmasses into one massive landmass. 



Imagine all the continents we know today -- North America, South America, Africa, Europe, Asia, Australia, and Antarctica -- snapped together like pieces of a giant puzzle. 



Pangea formed around 335 million years ago during the late Paleozoic era and dominated the planet until it began to break apart about 175 million years ago. 



This massive gathering of land had a huge impact on the climate, sea levels, and the distribution of plants and animals across the globe.



As Pangea started to split apart, it set the stage for the continents to drift to their current positions through the process of plate tectonics. 



This breakup led to the formation of the Atlantic Ocean and reshaped ecosystems, creating new environments for species to evolve and adapt. 



<h2 class="wp-block-heading" id="h-mass-extinction-and-new-beginnings">Mass extinction and new beginnings</h2>



The surge in <a href="https://www.earth.com/news/report-earth-is-headed-for-an-irreversible-climate-disaster/" target="_blank" rel="noreferrer noopener">greenhouse gases</a> caused global temperatures to rise by about 5 to 7 degrees Fahrenheit, amplifying evaporation from the seas and triggering increased rainfall worldwide. 



This climate chaos led to significant biodiversity loss. Many species couldn't adapt to the rapid environmental changes, resulting in a mass extinction event. But nature abhors a vacuum. 



As some species disappeared, new ones emerged to fill the gaps, leading to ecosystems that began to resemble those we see today.



"The new floras probably provided slim pickings for the surviving <a href="https://www.earth.com/news/animals-with-high-body-temperatures-often-become-herbivores/" target="_blank" rel="noreferrer noopener">herbivorous reptiles</a>," says Professor Mike Benton. 



"We now know that <a href="https://www.earth.com/news/rare-triassic-fossil-gondwanax-paraisensis-may-rewrite-history-of-dinosaurs/" target="_blank" rel="noreferrer noopener">dinosaurs originated</a> some 20 million years before this event, but they remained quite rare and unimportant until the Carnian Pluvial Episode hit. It was the sudden arid conditions after the humid episode that gave dinosaurs their chance."



<h2 class="wp-block-heading" id="h-dinosaurs-emerge-from-the-carnian-pluvial">Dinosaurs emerge from the Carnian Pluvial</h2>



As the climate shifted back to drier conditions, dinosaurs seized the opportunity to thrive. This period also saw the rise of the first turtles, crocodiles, lizards, and even the <a href="https://www.earth.com/news/incredible-discovery-some-mammals-attacked-dinosaurs-and-they-often-won-the-battle/" target="_blank" rel="noreferrer noopener">earliest mammals</a>. 



The expansion of conifer forests created new habitats, and these emerging animal groups diversified life on land in remarkable ways.



The oceans weren't spared from the upheaval. The Carnian Pluvial Episode marks the beginning of <a href="https://www.earth.com/news/can-we-save-coral-reefs-with-selective-breeding/" target="_blank" rel="noreferrer noopener">modern coral reefs</a> and the appearance of many groups of plankton. 



These changes indicate significant shifts in ocean chemistry and the carbonate cycle, affecting the entire marine food chain and leading to new forms of marine life.



<h2 class="wp-block-heading" id="h-recognizing-a-sixth-mass-extinction">Recognizing a sixth mass extinction</h2>



Until now, scientists had identified five <a href="https://www.earth.com/news/what-was-the-cause-of-earths-largest-mass-extinction/" target="_blank" rel="noreferrer noopener">major mass extinctions</a> over the past half-billion years. These events dramatically reshaped life's trajectory on Earth. 



"So far, paleontologists had identified five 'big' mass extinctions in the past 500 million years of the history of life," says Dr. Dal Corso. 



"We have identified another great extinction event, and it evidently had a major role in helping to reset life on land and in the oceans, marking the origins of modern ecosystems."



<h2 class="wp-block-heading" id="h-lessons-from-this-carnian-pluvial">Lessons from this Carnian Pluvial</h2>



The Carnian Pluvial Episode offers valuable insights into how massive volcanic eruptions and the resulting climate shifts can have far-reaching consequences. 



The release of greenhouse gases like carbon dioxide led to global warming, increased rainfall, and environmental upheaval. 



In our current era, human activities are raising <a href="https://www.earth.com/news/2023-climate-change-report-record-high-temperatures-greenhouse-gases-sea-level-rise/" target="_blank" rel="noreferrer noopener">greenhouse gas levels</a>, leading to climate change. Studying events like the CPE can help us understand how ecosystems respond to rapid environmental changes.



<h2 class="wp-block-heading" id="h-massive-volcanic-events">Massive volcanic events</h2>



Dr. Dal Corso emphasizes the scale of these ancient volcanic events, saying, "The eruptions were so huge, they pumped vast amounts of greenhouse gases like carbon dioxide, and there were spikes of global warming." 



His observations highlight how natural events can dramatically alter our planet's climate.



"I had noted a floral switch and ecological catastrophe among the herbivores back in 1983 when I completed my PhD," Professor Benton notes.



His decades of work illustrate how scientific understanding evolves, building on clues from various fields to piece together Earth's complex history.



Learning about events from millions of years ago requires collaboration across multiple scientific disciplines, including geology, paleontology, and climate science. 



Discoveries like the Carnian Pluvial Episode showcase the importance of interdisciplinary research in deepening our understanding of Earth's past.



<h2 class="wp-block-heading" id="h-why-does-any-of-this-matter">Why does any of this matter?</h2>



As we face our own environmental challenges today, looking back at events like the Carnian Pluvial Episode can inform our actions. 



If natural volcanic activity could cause such drastic changes, it raises questions about the impact of human-induced climate change. 



How might life on Earth adapt -- or struggle to adapt -- in the face of current environmental shifts?



The story of the Carnian Pluvial Episode demonstrates Earth's resilience and ability to recover and evolve after catastrophic events. 



A period of massive volcanic eruptions and climate upheaval set the stage for the rise of dinosaurs and the formation of ecosystems that continue to influence life today. 



As we continue to explore our planet's history, each discovery offers a new perspective on the resilience and adaptability of life on Earth.



The full study was published in the journal <a href="https://www.pnas.org/doi/full/10.1073/pnas.2109895118" target="_blank" rel="noreferrer noopener">PNAS</a>.



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One million years of heavy rain triggered Earth's era of dinosaur dominance

Roughly 233 million years ago, Earth's continents were fused into...

Researchers recently revealed a stunning new species of sea slug glowing in the ocean's darkest depths. Known as the "mystery mollusk" or&nbsp;Bathydevius caudactylus, this nudibranch inhabits the ocean's midnight zone, one of Earth's least-explored realms.



This discovery is more than just a new name on a species list - it's an illuminating dive into our planet's vast, hidden ecosystems.



<h2 class="wp-block-heading" id="h-mystery-mollusk-in-the-midnight-zone">Mystery mollusk in the midnight zone</h2>



The "mystery mollusk," Bathydevius caudactylus as the scientists officially named it, inhabits the <a href="https://www.earth.com/news/highly-unusual-bacteria-discovered-in-deep-sea-corals/" target="_blank" rel="noreferrer noopener">ocean's deep abyss</a>, also known as the midnight zone.



But this isn't just about a new species - it's about an exciting lifeline into understanding our planet's largest habitat in more depth.



Monterey Bay Aquarium Research Institute (<a href="https://www.mbari.org" target="_blank" rel="noreferrer noopener">MBARI</a>) Senior Scientist Bruce Robison steered this explorative venture.



“Thanks to MBARI’s advanced underwater technology, we were able to prepare the most comprehensive description of a deep-sea animal ever made," noted Robison.



"We've invested more than 20 years in understanding the natural history of this fascinating species of nudibranch. Our discovery is a new piece of the puzzle that can help better understand the largest habitat on Earth."



<h2 class="wp-block-heading" id="h-identifying-the-mystery-mollusk">Identifying the mystery mollusk</h2>



This unusual sea creature was first spotted in the year 2000, during an expedition using the institute's remotely operated vehicle (ROV) named Tiburon. It was found gliding through the waters offshore of Monterey Bay at a depth of 2,614 meters (8,576 feet).



Confusion arose when the team initially struggled to identify this creature due to its anomalous appearance - a voluminous hood, a flat tail fringed with numerous, finger-like projections, and a set of colorful internal organs.



But after years of research and countless ROV sightings, the <a href="https://www.earth.com/news/sea-pigs-unicumbers-strange-stunning-creatures-discovered-abyssal-plains-ccz/" target="_blank" rel="noreferrer noopener">mystery</a> was solved - this strange creature is, in fact, a nudibranch or sea slug.



<div class="wp-block-sendtonews-playerselector">[sendtonews key="rLItWTv9qr-4019991-12187" type="single"]</div>



<h2 class="wp-block-heading" id="h-a-nudibranch-unlike-any-other">A nudibranch unlike any other</h2>



The mystery mollusk isn't your ordinary nudibranch. It's the first of its kind known to dwell in the immense open waters of the bathypelagic zone, a region 1,000 to 4,000 meters (3,300 to 13,100 feet) below the ocean surface.



Also, the sightings of this fascinating creature span the Pacific coast of North America, from Oregon to as far south as Southern California. Plus, similar creatures spotted by NOAA researchers in the Mariana Trench hint at the mollusk's potentially widespread existence.



<h2 class="wp-block-heading" id="h-survival-techniques-of-the-sea-slug">Survival techniques of the sea slug</h2>



Surviving in such harsh environments is no easy feat. How does the mystery mollusk manage? Interestingly, it has evolved unique survival strategies.



For instance, unlike most sea slugs that feed by rasping prey off the <a href="https://www.earth.com/news/ocean-life-100-new-sea-creatures-found-in-chile/" target="_blank" rel="noreferrer noopener">seafloor</a>, it uses its cavernous hood to trap crustaceans, much like a Venus flytrap plant would do.



Moreover, to avoid predators, it has a clear body that blends with the surrounding waters and can emit a bright bioluminescence to deter and distract hungry predators. 



“When we first filmed it glowing with the ROV, everyone in the control room let out a loud ‘Oooooh!’ at the same time. We were all enchanted by the sight,” said MBARI senior scientist Steven Haddock.



“Only recently have cameras become capable of filming bioluminescence in high-resolution and in full color. MBARI is one of the only places in the world where we have taken this new technology into the deep ocean, allowing us to study the luminous behavior of deep-sea animals in their natural habitat.”



<h2 class="wp-block-heading" id="h-nudibranch-family-tree-expands">Nudibranch family tree expands</h2>



Beyond its captivating appearance and survival tactics, what really stood out during the research was the mollusc's genetic uniqueness. 



Detailed examination of specific gene sequences emphasized that the mystery mollusk is distinct enough from other known nudibranchs to merit the creation of a new family, Bathydeviidae.



"What is exciting to me about the mystery mollusk is that it exemplifies how much we are learning as we spend more time in the deep sea, particularly below 2,000 meters," said Haddock.



"For there to be a relatively large, unique, and glowing animal that is in a previously unknown family really underscores the importance of using new technology to catalog this vast environment. The more we learn about deep-sea communities, the better we will be at ocean decision-making and stewardship.”



<h2 class="wp-block-heading" id="h-wealth-of-deep-sea-discoveries">Wealth of deep-sea discoveries</h2>



This discovery is just one exciting piece in the puzzle of <a href="https://www.earth.com/news/new-species-of-deep-sea-squid-discovered-that-broods-giant-eggs/" target="_blank" rel="noreferrer noopener">deep-sea exploration</a>. MBARI's state-of-the-art technology has unveiled over 250 previously unknown deep-sea species to date, encouraging us to plunge deeper into these fascinating, otherworldly realms.



“Deep-sea animals capture the imagination. These are our neighbors that share our blue planet. Each new discovery is an opportunity to raise awareness about the deep sea and inspire the public to protect the amazing animals and environments found deep beneath the surface,” said Robison.



Indeed, each new discovery brings us one step closer to fully understanding and protecting our fascinating blue planet. And with this latest revelation of the mystery mollusk, we get to marvel at another fascinating dweller of the deep.



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S0967063724001845?via%3Dihub" target="_blank" rel="noreferrer noopener">Deep Sea Research</a>.



Image/ Video Credit: MBARI



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Mystery mollusk: Glowing creature found in the deep ocean

Researchers recently revealed a stunning new species of sea slug...

Usually, we see ants forming a single file, following a scent trail to a food source and returning back to their nest. However, what happens when there are multiple food sources available? 



Well, the ants in this scenario create a network of trails connecting their nest to all the available food sources. This is the conclusion of a fascinating new study from Florida State University.



Bhargav Karamched, an assistant professor of mathematics at Florida State University (FSU), is the lead researcher.



<h2 class="wp-block-heading" id="h-focus-of-the-research">Focus of the research </h2>



"Social insect behavior has fascinated the biological community for a long time. The collective behavior of insects can be used to achieve more complicated outcomes than possible for individuals," noted the researchers.



"This is especially important for ant species that rely on communication via pheromone to coordinate activity."



Working in <a href="https://www.fsu.edu" target="_blank" rel="noreferrer noopener">FSU</a>’s Institute of Molecular Biophysics, Karamched and his team have created a pioneering model that explains the phenomenon of trail formation to multiple food sources.



<h2 class="wp-block-heading" id="h-ants-with-multiple-food-sources">Ants with multiple food sources</h2>



"The power of mathematics is that we can devise models that reproduce experimentally observed data and make concrete predictions about what will happen next," Karamched noted.



“In this case, we uncovered something that hasn’t been described well by other models: if an ant has access to multiple food sources from its nest, it will initially make multiple trails to each of the sources.”



The research has unveiled how ants, when presented with multiple food sources, initially make multiple trails to <a href="https://www.earth.com/news/ants-are-now-using-cars-to-travel-spread-to-new-locations/" target="_blank" rel="noreferrer noopener">each source</a>.



Graduate student and study lead author Sean Hartman expressed his lifelong interest in mathematics which led him to pursue research in this field.



“I was intrigued by ant trail research that Dr. Karamched shared with me and became interested in pursuing further research on it and creating models based on this previous work,” he said.



<h2 class="wp-block-heading" id="h-secret-behind-the-ants-food-hunt">Secret behind the ants' food hunt</h2>



For ants, foraging is not just a daily activity, it's a necessity for their survival. They use chemical pheromones for self-organization. 



Once a food source is detected, the ant secretes these chemicals as a trail marker for its fellow <a href="https://www.earth.com/news/climate-change-is-destabilizing-ant-plant-relationships/" target="_blank" rel="noreferrer noopener">ants</a>. 



Karamched's team factored this behavior into their computational simulations which also showed that ants eventually prefer the food source closer to their nest in an environment with multiple sources.



The researchers divided <a href="https://www.earth.com/news/larger-ant-colonies-drove-the-evolution-of-worker-castes/" target="_blank" rel="noreferrer noopener">ants</a> into two groups: foragers who wander in search of food, and returners who head straight for the nest after finding food. 



“These subpopulations behave differently, as foragers tend to wander around in search of food while returners always return directly to the nest after finding food, making their motion less stochastic or random," Karamched explained.



<h2 class="wp-block-heading" id="h-the-role-of-pheromones">The role of pheromones</h2>



The research team considered the concentration of pheromones secreted by the ants - the higher the concentration, the stronger the scent trail for others to follow. 



Interestingly, ants returning from a food source close to the nest secrete fewer pheromones. Hartman's coding simulations produced insights into this pheromone-based decision-making process.



“Once my code was fully tested and accurate, multiple trail formations became distinct and were easily understandable,” Hartman said. 



“It was so cool to see how equidistant food sources could maintain multiple food trails as an equilibrium. If one food source was just slightly closer to the ants’ nest, the ants would eventually form one singular trail to the closest source. It was at this moment that it felt all our hard work finally paid off.”



<h2 class="wp-block-heading" id="h-using-chemical-signals-to-communicate">Using chemical signals to communicate</h2>



The model devised by Karamched's team isn't just limited to <a href="https://www.earth.com/news/ant-queens-turn-to-cannibalism-recycle-bodies-for-colony-disease-control/" target="_blank" rel="noreferrer noopener">ants</a>. Its simplicity and focus on pheromone gradients make it applicable to other organisms and biological systems that communicate using pheromones. 



This could include bacteria, slime molds, other insects, fish, and even some reptiles and mammals.



According to Karamched, the fundamental pheromone concentration gradient is the underpinning factor that analyzes collective behavior. 



“From a microbial level to complex organisms, using this chemical signaling to communicate allows certain organisms to coordinate activity on huge spatial scales, which is fascinating.”



The seemingly simple act of ants foraging for food, decoded with mathematics and simulations, offers new insights into the world of these hardworking insects.



The study is published in the <a href="https://link.springer.com/article/10.1007/s00285-024-02136-2" target="_blank" rel="noreferrer noopener">Journal of Mathematical Biology</a>. 



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Ants create chemical trails to guide their friends to food

Usually, we see ants forming a single file, following a...

Scientists are transforming chocolate into a functional food by infusing it with probiotics and prebiotics, aiming to create a treat that satisfies cravings while supporting gut health. 



The challenge lies in maintaining chocolate's beloved texture and flavor while adding health benefits.



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Probiotics - beneficial microbes that balance gut bacteria and aid digestion - are typically fragile and can be destroyed by stomach acid or processing. 



Prebiotics act as food for these microbes, helping them thrive. Together, they form "synbiotics," a powerful health combination.



Researchers Smriti Gaur and Shubhi Singh from India's Jaypee Institute of Information Technology took an innovative approach, using natural prebiotics like corn and honey instead of complex processing methods. 



They created five chocolate varieties: a control and four synbiotic versions containing different combinations of prebiotics, probiotics (Lactobacillus strains), and flavor enhancers (cinnamon or orange).



Laboratory simulations of human digestion showed the probiotics remained viable for over five hours, suggesting they could survive long enough to benefit gut health.



Taste tests were positive, with researchers particularly enjoying the orange-flavored variety, describing it as having "vibrant citrus notes" complementing the "rich cocoa" with a "luxurious" texture.



This research represents just the beginning. With further refinement of strains, textures, and flavors, chocolate could evolve beyond mere indulgence to become a functional food that nourishes while it delights.



The study is published in the journal <a href="https://pubs.acs.org/doi/10.1021/acsfoodscitech.4c00741" target="_blank" rel="noreferrer noopener">ACS Food Science &amp; Technology</a>.

Is chocolate the next nutritional powerhouse?

Scientists are transforming chocolate into a functional food by infusing...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Nushagak Bay, a large estuary in southwest Alaska. Nushagak runs mainly north to south and exits in Bristol Bay, a large body of water in the Bering Sea.



"The bay is primarily fed by the Nushagak River, which begins in the Alaska Range and flows southwest approximately 450 km. The bay is also fed by several additional rivers including the Wood, Igushik, Snake and Weary rivers," says ESA.



"The dark colors of the Nushagak River are most likely due to tannins or lignins (chemical substances found in plants). Tannins and lignins from roots, leaves, seeds, bark and soil can leach into the water and give it a brown or even black colour. The sediments then flow southwards where it is mixed with the bluer waters of the bay."



Video/ Image Credit: ESA



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Nushagak Bay in southwest Alaska

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> (ACS) reveals that proteins on flu viruses are actually flexible, tilting and waving in a “breath-like” motion. According to the experts, these proteins could be used to better defend against the flu.



"The main antigenic targets of influenza virus are two surface glycoproteins, hemagglutinin (HA) and neuraminidase (NA). Whereas the structural and dynamical properties of both glycoproteins have been studied previously, the understanding of their plasticity in the whole-virion context is fragmented," wrote the researchers.



To investigate, the team conducted detailed simulations of the influenza A H1N1 virion, or the swine flu. The experts concluded that the visualizations show many new vulnerable states of flu viruses, which could improve future vaccines and antiviral drugs.



Video/ Image Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Flu viruses are more flexible than expected

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Lake Trasimeno, which is located west of Perugia in central Italy. It is the fourth largest lake in the country. While Trasimeno’s water level varies, it has a maximum depth of approximately six meters.&nbsp;



"In this Copernicus Sentinel-2 image, captured on 6 August 2022, the lake’s emerald green colour is likely due to the presence of phytoplankton. Streaks in the water, particularly visible in the west, indicate the presence of soil and sediments which have been stirred up by winds. Dark colored waters in the southern part of the lake indicate a presence of submerged and floating macrophytes (aquatic plants) as well as algae," says ESA.



"Surrounded by hills on three sides, Trasimeno is subject to heavy storms created by winds, especially from the north and west. There are three islets in the lake: Maggiore, Minore and Polvese (the largest). The lake’s shores are sparsely inhabited with only two popular villages: Castiglione del Lago and Passignano sul Trasimeno."



"Italy is experiencing its worst drought in 70 years which has affected drinking water supplies, hydroelectric power and agricultural production. High temperatures, hot winds and lack of rainfall are the main causes of drought in the Umbrian region which saw Lake Trasimeno’s drop 1.3 m, reaching the limit of the hydrometric zero in July 2022."



Video/Image Credit: ESA&nbsp;



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By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Lake Trasimeno in Central Italy

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Today's Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> describes a new self-powered nanosensor that can instantly detect mercury contamination with the tap of a finger.&nbsp;



The oxidized form of mercury can be harmful when it is ingested through contaminated water or food. This makes it necessary for experts to develop sensors that can quickly and accurately detect the presence of mercury.&nbsp;



Zong-Hong Lin and colleagues have now created a triboelectric nanosensor (TENS) that can detect mercury by simply by touching a sample. According to the researchers, their TENS could serve as the basis for similar devices to safely and remotely monitor other pollutants.



Video Credit: American Chemical Society&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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Detecting mercury contamination with the tap of a finger

[sendtonews key="LvS8v8bp9z-2564889-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.acs.org/">American Chemical Society</a> explores the ability of salt to transform the way that foods and beverages taste. Salt is known to cover up undesirable flavors, such as bitterness in coffee or beer, but how exactly does sodium chloride change the taste of other compounds?



One previous study showed that, not only does salt suppress bitterness, but also enhances sweetness and sourness. Another study revealed that bitterness reduction by salt seems to be happening at the tongue receptor level as well as in the brain.&nbsp;



While it is known that salt taste is mediated by the presence of sodium channels in the form of taste buds, experts believe that there is also an unknown receptor responsible for how we taste salt that has not yet been identified.&nbsp;



Video Credit: ACS Reactions



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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How does salt makes things taste better?

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Santiago, the capital city of Chile. The city is located in the center of the Santiago Metropolitan Region, which has a population of about eight million people.&nbsp;



'The weather of Santiago resembles the Mediterranean climate with dry and warm summers with temperatures reaching up to 35°C (from October to March) and cool and humid winters that can drop to 0°C (from April to September)."



"The city lies in the centre of the country’s central valley around 80 km from the Pacific Ocean to the west and borders Argentina to the east. A tiny part of Argentina is visible in the top-right corner of the image where the mountain crest of the Andes Mountains acts as a divider between the two countries," says ESA.



Video/ Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Santiago, Chile in South America

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Spiral,Galaxy,,Illustration,Of,Milky,Way

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Astronomers at <a href="https://www.jhu.edu/">Johns Hopkins University</a> have created an interactive map of the universe, including the actual position and real colors of 200,000 galaxies. The map allows the public to access data that was previously only available to scientists.



The map was developed using data collected by the Sloan Digital Sky Survey. For over two decades, a telescope in New Mexico was aimed at slightly different locations to capture the night sky.&nbsp;



"Growing up I was very inspired by astronomy pictures, stars, nebulae and galaxies, and now it's our time to create a new type of picture to inspire people," said map creator Brice Ménard, a professor at Johns Hopkins. "Astrophysicists around the world have been analyzing this data for years, leading to thousands of scientific papers and discoveries. But nobody took the time to create a map that is beautiful, scientifically accurate, and accessible to people who are not scientists. Our goal here is to show everybody what the universe really looks like."



"In this map, we are just a speck at the very bottom, just one pixel. And when I say we, I mean our galaxy, the Milky Way which has billions of stars and planets. We are used to seeing astronomical pictures showing one galaxy here, one galaxy there or perhaps a group of galaxies. But what this map shows is a very, very different scale."



"From this speck at the bottom, we are able to map out galaxies across the entire universe, and that says something about the power of science."



The <a href="https://mapoftheuniverse.net/">interactive map</a> is available online, where it can be downloaded for free.



Video Credit: Johns Hopkins&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Interactive map of the universe includes 200,000 galaxies

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Lesotho: Africa's "Kingdom in the Sky" Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features northwest Lesotho in South Africa.



According to ESA, Lesotho is the only nation in the world that lies completely above 1,000 m in elevation. The country is famous for its tall mountains and narrow valleys, and is known as Africa's "Kingdom in the Sky."



Out of a population of around two million people, about 80 percent live in rural areas. More than 75 percent of these people are engaged in <a href="https://www.earth.com/news/climate-change-will-have-a-global-impact-on-agriculture/">agriculture</a>, including rainfed cereal production and animal grazing.&nbsp;



ESA reports that the country’s agricultural system faces a growing number of issues, with climate-related vulnerabilities such as drought, floods and extreme temperatures occurring more frequently. 



Diamonds are amongst the minerals found in the mountains. Indeed, Lesotho can truly be called the Kingdom in the Sky. Beautiful, culturally rich, safe, affordable, and easily accessible from Durban and Johannesburg, mountainous Lesotho is a vastly underrated travel destination. the Kingdom of Lesotho (Sotho: 'Muso oa Lesotho) is an enclaved country in southern Africa. It is just over 30,000 km2 (11,583 sq mi) in size and has a population of around 2 million.



Video Credit: ESA&nbsp;&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer 



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Lesotho: Africa's "Kingdom in the Sky"

[sendtonews key="uV9Lh2fQbV-1760058-12187" type="single"] Lesotho: Africa's "Kingdom in the Sky" Today’s...

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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features Dublin, the capital and largest city of Ireland. Beyond its pub culture, Dublin is known as a modern culinary destination and a UNESCO City of Literature.



"Dublin is located near the midpoint of Ireland’s east coast in the province of Leinster. The city, which covers an area of around 115 square kilometers, is bordered by the Dublin Mountains, a low mountain range to the south, and is surrounded by flat farmland to the north and west," says ESA.



"The city straddles the River Liffey, which rises in the Wicklow Mountains and flows around 80 kilometers eastwards through the city of Dublin, in which it is canalised and bordered with quays. It then empties into Dublin Bay, an arm of the Irish Sea."



Dublin has an abundance of green spaces, including one of the largest enclosed public parks in any European capital city. Phoenix Park, which was originally formed as a royal hunting park in the 1660s, includes 707 hectares of green space.



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The city of Dublin on Ireland's east coast

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Today's Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the province of Zaragoza in northeast Spain. The image was captured by the Copernicus Sentinel-2 mission.



"Together with the provinces of Huesca and Teruel, Zaragoza formed the old kingdom of Aragon. Its capital, also called Zaragoza (not visible in this image) is home to around half of Aragon’s population," says ESA.



"The Ebro River can be seen winding its way through the province from west to east in this image. Between its source in the Cantabrian Mountains in the northwest and its delta on the Mediterranean coast, the Ebro River is fed by more than 200 tributaries as it flows 910 km across much of northern Spain."



Since rainfall is very scarce in this region, irrigation in the Ebro basin is critically important. In the valleys surrounding the Ebro River, many fields are used for growing crops such as corn, wheat, and barley.



Video/ Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The province of Zaragoza in northeast Spain

[sendtonews key="oL4FnPTGCV-2384527-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> reveals the evolution of the Columbia Glacier in southeastern Alaska. Columbia is among the fastest shrinking glaciers in the world, and the video documents its rapid retreat over the years.&nbsp;



Columbia Glacier is a large, multi-branched calving glacier that flows out of the Chugach Mountains to the Prince William Sound.&nbsp;



According to USGS, Columbia had a long history of stability prior to 1980, with a length 41 miles, and small, short-lived advances or retreats.



In the years since 1980, however, satellite images have captured Columbia’s alarming retreat. By using false-color images, scientists can distinguish between snow and ice, open water, vegetation, and rocky debris on the glacier’s surface.



The series of false-color images featured in today's video were acquired over the span of 35 years. You can see that by 2021, the glacier’s main branch had retreated about 15 miles from its initial position.



The Columbia Glacier has also lost more than 50 percent of its volume, mostly due to calving. <a href="https://www.earth.com/video/nasa-reveals-3d-visual-of-an-atmospheric-river/">NASA</a> reports that while climate change likely started the retreat, mechanical processes kept the disintegration going.



The NASA images are provided by Jesse Allen, Robert Simmon, Joshua Stevens, and Lauren Dauphin using data from Landsat satellites, from the U.S. Geological Survey, and data from MODIS on NASA’s Terra satellite. The structure of Columbia’s moraine played a large role in the stability of the glacier before 1980. 



Like other tidewater glaciers, the Columbia built up a moraine over time, and the mixture of ice and rock functioned like a dam keeping out the sea. It was supported on one end by the shoreline and by the underwater terminal moraine at the other.



Video Credit: NASA Earth Observatory/&nbsp; NASA’s Scientific Visualization Studio



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



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The rapid retreat of the Columbia Glacier

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> features the Pyrenees Mountains, which form a natural boundary between France and Spain in southwest Europe.



The mountain range is 430 kilometers in length. It stretches from the Mediterranean Sea on the east to the Atlantic Ocean on the west.



At an elevation of 3404 meters, Pico de Aneto is the highest mountain peak in the Pyrenees, and the third-highest peak in Spain. Pico de Aneto is located in the Posets-Maladeta Natural Park, which spans more than 82,000 acres.&nbsp;



"Geological studies have revealed that the Pyrenees Mountains have been around for longer than the Alps, with their sediments first deposited in coastal basins during the Paleozoic and Mesozoic eras," reports ESA.



"The entire mountain range formed due to the upwelling of large sedimentary rocks by the collision of the Iberian and the Eurasian plate around 100 to 150 million years ago, followed by intense erosion from ice and water."



The western Pyrenees receive more precipitation due to moisture blowing in from the Atlantic Ocean. The mountain range contains many lakes, several small glaciers, and some of the highest waterfalls in Europe.



Video &amp; Image Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The Pyrenees Mountains in southwest Europe

[sendtonews key="6HyfrAJTBI-1831843-12187" type="single"] Today’s Video of the Day from the...

Earth,Like,Exoplanet,3d,Render

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes two exoplanets that are orbiting a star 218 light-years away. A team of researchers led by the University of Montreal has found evidence that these planets are "water worlds."



The experts used data from NASA’s Hubble and Spitzer Space Telescopes. They discovered that exoplanets Kepler-138 c and Kepler-138 could be composed largely of water.



"We previously thought that planets that were a bit larger than Earth were big balls of metal and rock, like scaled-up versions of Earth, and that's why we called them super-Earths," explained study co-author Björn Benneke.&nbsp;



"However, we have now shown that these two planets, Kepler-138 c and d, are quite different in nature and that a big fraction of their entire volume is likely composed of water. It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time."



Video Credit: NASA Goddard



Image Credit: NASA, ESA, and Leah Hustak (STScI)



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Two distant planets may be "water worlds"

[sendtonews key="QIoVYJqRBi-2434608-12187" type="single"] Today's Video of the Day from NASA...

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Satellites reveal how Earth's systems are interconnected Today’s Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes Earth’s interconnected systems, and how this network is affected by rising temperatures.&nbsp;



During 2020, average global temperatures matched the hottest year on record. The hurricane season was also record-breaking, with many of the storms intensifying at extraordinary speeds. Hot water in the ocean is fuel for hurricanes. The satellite data shows that it's all one interconnected system showing how Satellites reveal how Earth's systems are interconnected.



According to NASA, dust swept up from Northern Africa plays a major role in the formation of hurricanes, and is also a key source of fertilization in the Amazon rainforest. As a result of<a href="https://www.earth.com/news/seagrass-wasting-disease-is-fueled-by-climate-change/"> climate</a> change, dust plumes are expected to decline, which will have an effect on vegetation far away.&nbsp;



Images from Earth-observing satellites show how the world’s plant life is affected by natural disasters, fires, and deforestation. Satellites also reveal how widespread changes in vegetation impact waterways,&nbsp; the climate, air quality. Satellites communicate by using radio waves to send signals to the antennas on the Earth. "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 



Video Credit: NASA Goddard&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Satellites reveal how Earth's systems are interconnected

[sendtonews key="JbW4VsY53O-1632195-12187" type="single"] Satellites reveal how Earth's systems are interconnected...

Today’s Video of the Day from the <a href="https://welcome.miami.edu/">University of Miami</a> Rosenstiel School of Marine and Atmospheric Science explores how changes in water temperatures have affected tiger shark habitats and movements in the North Atlantic Ocean. The study reveals that rising temperatures have caused the sharks to shift toward the poles over the past 40 years.



“Tiger shark annual migrations have expanded poleward, paralleling rising water temperatures,” explained study lead author Neil Hammerschlag. “These results have consequences for tiger shark conservation, since shifts in their movements outside of marine protected areas may leave them more vulnerable to commercial fishing.”



The researchers analyzed nine years of tracking data from satellite-tagged tiger sharks, combined with four decades of conventional tag and recapture data provided by National Oceanic and Atmospheric Administration (NOAA) Cooperative Shark Tagging Program.



The experts found that during the last decade of record heat, for every one-degree Celsius increase in water temperatures, tiger sharks migrated further poleward by over 400 kilometers. They also migrated two weeks earlier than usual to waters off the northeastern coast of the United States.



“Given their role as apex predators, these changes to tiger shark movements may alter predator-prey interactions, leading to ecological imbalances, and more frequent encounters with humans,” concluded Professor Hammerschlag.



Video Credit: University of Miami Rosenstiel School of Marine and Atmospheric Science



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Tiger sharks are shifting poleward as temperatures rise

Today’s Video of the Day from the University of Miami...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> is focused on the melt ponds that emerge during the spring and summer on the Greenland Ice Sheet, which is the largest ice mass in the northern hemisphere.



"Melt ponds are vast pools of open water that form on both sea ice and ice sheets and are visible as turquoise-blue pools of water in this Copernicus Sentinel-2 image," says ESA.



"When snow and ice melts atop glaciers, water flows in channels and streams and collects in depressions on the surface. These melt ponds can speed up the melting of the surrounding ice since they greatly reduce the ice’s ability to reflect sunlight."



"This can create a positive feedback where an increasing number of melt ponds absorb more heat which causes ice cover to melt even faster."



According to ESA, Greenland has been hit with a late-season heatwave that began in early September. This caused the type of melt event that usually occurs in the middle of summer.



"In a recent paper published in Nature Climate Change, scientists found that major sea-level rise from the melting of the Greenland ice cap is now ‘inevitable’ even if the burning of fossil fuels were to halt overnight," says ESA. "Using satellite observations of Greenland ice loss and ice cap from 2000 to 2019, the team found the losses will lead to a minimum rise of 27 cm regardless of climate change."



Video Credit: ESA&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Melt ponds on the Greenland Ice Sheet

[sendtonews key="qARzJPSabQ-2270617-12187" type="single"] Today’s Video of the Day from the...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes a new map of Mars that is providing insight into the planet’s watery past. The map also reveals where future missions could safely land on Mars.&nbsp;



The map has been created over the last decade using observations of water-rich rocks and mineral deposits. The images were captured by ESA’s Mars Express and NASA’s Mars Reconnaissance Orbiter.



"A big surprise is the prevalence of these minerals, with the map revealing hundreds of thousands of water-affected locations in the oldest parts of the planet," says ESA. "The new data will help answer exciting questions about Mars’ climate history, whether water was globally persistent or confined to short, intense episodes, and whether the conditions were ever suitable for life."



"Specifically, the map shows the locations and abundances of aqueous minerals. These are from rocks that have been chemically altered by the action of water in the past, and have typically been transformed into clays and salts."



According to John Carter of the Institut d’Astrophysique Spatiale (IAS), our collective understanding of Mars has been oversimplified. He explained that planetary scientists have tended to think that only a few types of clay minerals on Mars were created during its wet period, then as the water gradually dried up, salts were produced across the planet.



The new map shows that the composition of Mars is much more complicated than what we thought. For example, while many salts formed after Martian clays, there are some salts that are presumed to be older than some of the clays.&nbsp;



“The evolution from lots of water to no water is not as clear cut as we thought, the water didn’t just stop overnight. We see a huge diversity of geological contexts, so that no one process or simple timeline can explain the evolution of the mineralogy of Mars. That’s the first result of our study. The second is that if you exclude life processes on Earth, Mars exhibits a diversity of mineralogy in geological settings just as Earth does,” said Carter.



Video Credit: ESA



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

The history of Mars is much more complex than we thought

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Today's Video of the Day from the <a href="https://www.stowers.org/">Stowers Institute for Medical Research</a> describes how cavefish adapted to a sedentary lifestyle over tens of thousands of years. 



The experts found that the muscle metabolism of cavefish has been genetically reprogrammed over time. As a result, the animals have experienced major changes in their morphology and behavior. Despite these changes, however, the cavefish remain healthy and fit.



The research may provide new clues about the evolutionary consequences of prolonged physical inactivity in humans.&nbsp;



“It’s no surprise that people are moving less and less as technology has advanced,” said Rohner. “With cavefish, we have a unique system where we can study what might happen if people remained couch potatoes over very, very long periods of time.”



Video Credit: Stowers Institute for Medical Research



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Cavefish are healthy despite their sedentary lifestyle

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> some of the most incredible waves in the world, as seen by Landsat satellites.



"With more than 370,000 miles of coastline on Earth, there are plenty of places where epic waves build up, curl over, and hurtle toward the shore.- much to the thrill of surfers," says NASA. "There are some places where these waves are so magnificent that they can be seen from space."



"With the broad perspective of satellites, we can see how these iconic waves develop into the world’s tallest, longest, fastest, and heaviest."



Video Credit: NASA Earth Observatory&nbsp;



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By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Editor



Check us out on <a href="https://www.earth.com/earthsnap/">EarthSnap</a>, a free app brought to you by Eric Ralls and Earth.com.

Satellites capture the world's biggest and fastest waves

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