A new executive order aimed at deregulating the U.S. seafood industry is raising red flags among scientists and policy experts. While the order claims to boost competitiveness and cut red tape, critics warn it could do more harm than good - weakening the very systems that protect seafood sustainability.



Scientists from <a href="https://www.ucsb.edu/">UC Santa Barbara</a> and the University of Washington outlined their concerns in a recent paper. They argue that the executive order misses the mark, prioritizing short-term gains over long-term stability.



<h2 class="wp-block-heading" id="h-inside-the-seafood-deregulation-order">Inside the seafood deregulation order</h2>



Signed in April 2025, the order - titled “Restoring American Seafood Competitiveness” - claims that U.S. <a href="https://www.earth.com/news/the-seafood-industry-has-been-hit-hard-by-the-covid-19-pandemic/">seafood markets</a> are held back by overregulation and unfair trade practices. It calls for reducing regulatory burdens, eliminating unsafe imports, and strengthening the <a href="https://www.earth.com/news/seafood-spoilage-hidden-dangers-in-the-cold-chain/">seafood supply chain</a>.



However, the researchers say the plan is moving too fast and with too little support. They describe it as a policy that risks unraveling decades of scientific progress.



“(It’s) a significant escalation in undoing federal regulatory frameworks, weakening scientific authority and deemphasizing aquaculture development,” said Halley Froehlich of UC Santa Barbara and Jessica Gephart of the University of Washington.



“Instead of reform, it’s dismantling regulations in a very short amount of time,” added Froehlich, the paper’s lead author.&nbsp;&nbsp;



<h2 class="wp-block-heading" id="h-noaa-s-role-under-threat">NOAA’s role under threat</h2>



The scientists point to cuts to the National Oceanic and Atmospheric Administration (NOAA) as a major concern. NOAA oversees roughly 500 commercial fishery stocks in the U.S. It plays a key role in managing, monitoring, and protecting marine resources.



Under the new directive, NOAA faces budget cuts, staff reductions, and tighter controls on communication. That’s a serious blow to its ability to coordinate sustainable fishing, especially across regions where fish migrate between countries.



“It’s quite problematic because NOAA is so central to how we manage our <a href="https://www.earth.com/news/bleaching-effect-coral-loss-threatens-fisheries-and-livelihoods/">fisheries</a>,” Froehlich said. “Data collection, monitoring, oversight, you name it, NOAA is part of that, and a really important part.”



<h2 class="wp-block-heading" id="h-the-plan-ignores-the-ocean-s-limits">The plan ignores the ocean’s limits</h2>



The executive order is supposed to help boost domestic seafood production. But the researchers argue that the ocean has limits - and we’re already close to reaching them.



“We are not going to get more out of the ocean,” Froehlich said. “We’re already near ‘peak fish,’ meaning maintenance and recovery of our stocks.”



Wild fisheries - both in the U.S. and globally - are already producing at or near their maximum sustainable levels. That leaves <a href="https://www.earth.com/news/aquaculture-now-produces-more-food-than-wild-fishing/">aquaculture</a> as the only real path for growth. 



However, the new order gives little attention to farmed seafood and offers even less support to the agencies that regulate it. The scientists call it a mismatch between promises and practical outcomes.



<h2 class="wp-block-heading" id="h-cutting-data-cutting-capacity">Cutting data, cutting capacity</h2>



One of the most troubling issues is the potential loss of data. The researchers warn that NOAA’s online databases, climate research, and monitoring tools may be defunded or decommissioned.



Without this data, managing fisheries becomes guesswork. It also makes it harder to prepare for climate-driven shifts in marine ecosystems.



“Without the data, expertise and capacity to study and understand these systems we run the risk of fishery collapses becoming more common and long-lasting,” the authors wrote.



<h2 class="wp-block-heading" id="h-trade-conflicts-and-mismatched-markets">Trade conflicts and mismatched markets</h2>



The executive order also makes assumptions about seafood markets that don’t align with reality. 



Much of the seafood farmed in the U.S. isn’t what consumers demand most. And a large portion of seafood caught in U.S. waters is processed overseas before being sold back into the domestic market.



If tariffs are imposed on imported or foreign-processed seafood, prices for high-demand products like <a href="https://www.earth.com/news/shrimp-crisis-alarming-virus-threatens-global-seafood-supplies/">shrimp</a> could rise sharply. Right now, only about 10% of shrimp eaten in the U.S. comes from domestic sources.



“In disrupting the market dynamics we do have, especially with trade wars with our trading partners, it’s likely that we’re going to have the opposite effect of creating opportunity long-term,” Froehlich said.



<h2 class="wp-block-heading" id="h-an-alternative-to-seafood-deregulation">An alternative to seafood deregulation </h2>



The paper was submitted as evidence in a recent hearing by the House Natural Resources Committee’s Water, Wildlife and Fisheries Subcommittee. The scientists hope their findings will influence how Congress approaches <a href="https://www.earth.com/news/seafood-will-help-feed-earths-future-population-of-10-billion/">seafood policy</a> moving forward.



“When it comes to any shifts in production, these high levels of uncertainty are not a beneficial thing to happen for the sector,” Froehlich said.



While deregulation may sound appealing to some, the authors argue that a stable, well-regulated system - backed by science and data - is what actually keeps seafood both sustainable and competitive. In their view, cutting corners now could cost the industry far more in the future.



The full study was published in the journal <a href="https://www.sciencedirect.com/science/article/pii/S0308597X25002106">Marine Policy</a>.



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Why seafood deregulation may hurt more than help

A new executive order aimed at deregulating the U.S. seafood industry is raising red flags among scientists and policy experts. While the order claims to boost competitiveness and cut red tape, critics warn it could do more harm than good - weakening the very systems that protect seafood sustainability. Scientists from UC Santa Barbara and the University of Washington outlined their concerns in a recent paper. They argue that the executive order misses the mark, prioritizing short-term gains over long-term stability. Inside the seafood deregulation order Signed...

Researchers from the <a href="https://www.utoronto.ca/">University of Toronto</a> have described the first known hybrid bird species of the Amazon rainforest. A series of evaluations and genetic tests confirmed that the golden-crowned manakin is, in fact, a hybrid species.

Associate professor Jason Weir is an expert on the biodiversity of New World birds and senior author of the study.

"While hybrid plant species are very common, hybrid species among vertebrates are exceedingly rare," explained Weir.

A hybrid species is developed when two species mate to produce a hybrid population, which is unable to interbreed with the parental species. In this particular case, the two parents are the snow-capped manakin and the opal-crowned manakin. 

Over the course of two separate trips to Brazil, the research team gathered genetic and feather samples. This enabled them to sequence a large portion of the new bird’s genome. 

After examining over 16,000 genetic markers, the researchers determined that 20 percent of the genome came from the snowy-crowned manakin while 80 percent of the inheritance was from the opal-crowned manakin.

Using a technique called coalescent modelling,  the team managed to establish that the golden-crowned split off from its parental species around 180,000 years ago when the two parental species originally mated. 

The experts also determined that both parental species diverged from a common ancestor about 300,000 years ago, meaning that all three species are relatively new. 

"Most Amazon bird species diverged from their most recent relative around 1.5 to 4 million years ago, so these are all young birds by comparison" said Weir.


The golden-crowned manakin lives in an area of the south-central <a href="https://www.earth.com/news/mining-deforestation-amazon-rainforest/">Amazon Rainforest</a> that is largely separated from areas where snow-capped and opal-crowned live by wide rivers that the hybrid species will not seem to cross. 

Weir explained that the species likely survived due to this geographical isolation from its parental species, when a past ice age caused the rainforest to shrink and wide rivers to form.

"Without geographic isolation, it's very likely this would never have happened because you don't see the hybrids evolving as separate species in other areas where both parental species meet,” said Weir.

The study will be published in the <a href="http://www.pnas.org/">Proceedings of the National Academy of Science</a>.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Image Credit: University of Toronto Scarborough

First-ever hybrid bird species in the Amazon revealed

Researchers from the University of Toronto have described the first...

UK Prime Minister Theresa May has vowed to end the inhumane act of puppy farming. The proposed legislation will outlaw the sale of puppies without their mother present, and will mandate that the sale of a dog can only be made by licensed dog breeders.

“It is all too easy to be moved by images online or adverts in the local Press advertising newborn puppies looking for a home for Christmas,” said Environment Secretary Michael Gove.

“But what we don’t see is all too often a sad history of mistreatment and malpractice. That is why we are looking at how we can go further to crack down on unscrupulous breeders so pet owners will have no doubt their new dogs have had the right start in life.”

Interbreeding and unhealthy kennel conditions can cause major health issues in dogs, including psychological problems and hereditary defects. In a puppy farm, the animals are commercially bred. The puppies are separated from their mothers and kept in unsanitary conditions.

In the United States alone, there are an estimated 10,000 puppy mills, both licensed and unlicensed, that sell over 2,000,000 <a href="https://www.earth.com/news/dogs-chocolate-poisoning-christmas/">puppies</a> a year. 

The Prime Minister's proposed guidelines would help to put an end to the suffering of tens of thousands of dogs.

“The arrival of a happy, healthy puppy, as I know myself, is a memorable time for a family – but it’s absolutely right we do everything we can to eradicate animal cruelty from our society,” said May.

“Any unscrupulous mistreatment of animals is disturbing – so in our drive to achieve the highest animal welfare standards in the world, we continually look at what more can be done.

The Prime Minister said that the proposals made by her administration are an important step in the right direction. The reforms will eradicate the sale of sick, underage puppies and the breeding of unhealthy dogs. 

The Prime Minister also intends to address puppy smuggling and the regulation of online sales. 

“In our drive to achieve the highest animal welfare standards in the world, we will continually look at what more can be done,” said the Prime Minister.

The legislation could be passed as soon as early 2018.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

UK Prime Minister aims to eliminate puppy mills

UK Prime Minister Theresa May has vowed to end the...

<a href="https://www.earth.com/news/remote-sensing-oil-palm-industry/">Oil palm</a> plantations wreak havoc on forest habitats, but the popularity of palm oil in everything from foods to cosmetics makes conservation policy difficult to regulate or put in place.

Mass deforestation has occurred to make way for oil palm plantations, as the fruit of oil palm trees are where palm oil comes from. 

New research has found that on top of habitat degradation, oil palm plantations also have a surprising effect on boar populations. 

A two-decade-long study, conducted by an international team of researchers led by the <a href="http://www.ntu.edu.sg/">Nanyang Technological University, Singapore</a> (NTU Singapore), found that oil palm plantations provide an easily accessed, rich source of food for wild boars and macaque monkeys. 

This, in turn, causes drastic increases in populations and the surrounding forests are irreversibly damaged. 

The researchers found that saplings and small trees near plantations were reduced by more than half because boar mothers harvest the plants for nests. 

“When oil palms start fruiting, wild boars quickly aggregate to feed in the plantations,” said Dr. Matthew Luskin, a member of the research team. “The abundant food allows them to reproduce, causing a massive surge in their population in the nearby forest. The biggest subsequent effect this leads to is when pregnant wild boars build nests, as this clears vegetation from the forest floor.” 

At first, the researchers were puzzled at the loss of habitat, but after years of field studies, it was obvious that oil palm plantations have a wide-reaching effect not previously realized. 

Future studies are needed to understand the long-term effects of plantations beyond deforestation, and because of how many plantations there are in Southeast Asia, the impact could be devastating. 

The researchers note the need for conservation policy and regulations in order to combat these effects. 

“Through impactful studies on the effect of agricultural expansion and wildlife population, we hope to provide insights for countries and policymakers who seek to protect our environment for future generations better,” said Fidel Costa, an associate professor and Acting Chair of NTU's Asian School of the Environment.

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Oil palm plantations damage ecosystems in a number of ways

Oil palm plantations wreak havoc on forest habitats, but the...

Experts are reporting that bottlenose dolphins in the Bocas Del Toro Archipelago of Panama should be designated as endangered. Biologists have discovered that these <a href="https://www.earth.com/news/dolphins-gifts-potential-mates/">dolphins</a>, whose population is now only around 80, do not interbreed with other Caribbean bottlenose dolphins. Their long-term survival is also threatened by increasing local boat traffic, according to the researchers.

On the International Union for Conservation of Nature's Red List of Threatened Species, the bottlenose dolphin is of “least concern.” This designation fails to represent the risk faced by the Bocas dolphin population, which the study suggests was founded by a small dolphin family a few thousand years ago. 

An investigation by biologists at the <a href="http://www.stri.si.edu/">Smithsonian Tropical Research Institute</a> (STRI) revealed that the dolphins of Bocas have no interaction with the nearest dolphin population, which is 22 miles away in Costa Rica. The researchers have determined that the small Bocas dolphin population should be of great conservation concern.

“Our results indicate that the population of dolphins in Bocas Del Toro is genetically isolated from other populations in the Caribbean, and given the high impact of boat traffic on the animals, we suggest that its conservation status be changed, at least at a local level,” said lead author Dalia C. Barragán-Barrera. “Conservation priorities are largely dependent on the IUCN conservation status of the species.”

For the study, the research team sampled skin from 25 dolphins. The results showed the dolphins all shared sets of genes inherited from a single mother, which is known as a haplotype. The researchers did not find this haplotype in any other Caribbean dolphins, indicating that the population has long been isolated.

Laura May-Collado from the <a href="https://www.uvm.edu/">University of Vermont</a> began studying Bocas dolphins in 2004 during her doctoral research. In the years since, her research team has seen a huge spike in dolphin-watching. Between November and March, dolphins interact with as many as 100 tourism boats per hour.

The team has examined how humans impact the dolphins, and their work demonstrates how boat noise affects dolphin communication. They have also documented injuries and deaths caused by boat strikes and entanglements with fishing nets. The researchers explained that their investigation has led to some positive changes.

“Because of the pressure of the dolphin-watching industry on this population and the impending threats to the dolphins, the International Whaling Commission made four recommendations to the government of Panama to develop strategies to protect this population,” the researchers said. “Despite these recommendations, dolphin-watching industry continues to grow and impact the dolphins of Bocas Del Toro.”

The study, which was conducted at was conducted at STRI's Bocas Del Toro Research Station, is published in the journal <a href="http://journals.plos.org/plosone/">PLOS One</a>.

--

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

Panama dolphins threatened by boat traffic

Experts are reporting that bottlenose dolphins in the Bocas Del...

<a href="https://www.earth.com/news/dogs-understand-humans-better/">Dogs</a> have long been companions for high adventures of all kinds.  John Muir wrote of Stikine, a little black dog that accompanied him on an Alaskan expedition and even jumped over glacial crevasses with him.  There was the South American botanist explorer Spruce and his dog Sultan who explored Amazonia together.  In Jewel Cave there is a tight passage called Dog Balk for when explorer couple’s dog had enough and was ready to leave the cave.  Of course there are sled dogs which have been instrumental in much polar exploration.

I’ve seen dogs happily hiking peaks 13,000 or 14,000 feet high in Colorado and Wyoming.  My friend Matt has brought his Yellow Labrador, Pokey on many long hikes with us; including one where we helped him from ledge to ledge, held safe with a harness made from climbing webbing.  Outdoor films and books often feature dogs; there is Ace and the Desert Dog, a documentary about a man’s 60 day backpacking trip to celebrate his 60th birthday with his dog Genghis Khan.  There are books like Merle’s Door about dogs that hike, raft, go on hunting trips and generally live many outdoor enthusiasts’ dream.  There is even When Dogs Fly, a film about a professional rock climber and base jumper that brings his dog along, in a specially designed roll cage in his parachute bag.  Recently I watched a man doing flips and rolls in his Kayak at the river park in Salida Colorado as his dog sat with his friends and nervously barked and whined, watching what she must’ve thought pure human madness.        

Before one paints too rosy an image of dogs along for adventure there are some considerations to keep in mind.  Both Antarctic explorers Amundsen and Shackleton ungratefully and cruelly killed their dogs for consideration of human life and cold calculation of expedition objectives.  Spruce Killed his dog when he ‘went mad’ after experiencing the roar of rapids in a canoe, and refused to eat or drink.  More recently Anthony Ortolani left his German Shepherd at 13,000 feet on Mt. Bierstadt with bloody paws for seven nights of cold temperatures and dehydration.  Eventually kind strangers rescued the German Shepherd renamed Lucky against high odds and with considerable personal risk.

Today the focus on the outdoors, even among professional adventurers and explorers has shifted from serious scientific and mapping expeditions to more personal or intrinsic outdoor pursuits.  Likewise there is growing concern about the welfare and wellbeing of non-human animals, including the animal closest to us, the dog.  One may easily question the purity of motives behind those who bring dogs on the most extreme of adventures.  The Iditarod and other dog sled races are often criticized for being cruel.  Many people think dogs don’t belong on any of Colorado’s 14,000 ft. peaks (14ers).  The National Parks don’t offer much for someone wanting to recreate outside with their canine friend. 

The problem seems one of balance.  Only those who just plain don’t like dogs or don’t like the outdoors would suggest that dogs should never go on hikes.  When Anthony Ortolani left his dog on Bierstadt, he was ridiculed online and in the media but most of the ridicule was because he didn’t mount a rescue for his dog as soon as possible.  Ortolani left Lucky with two of his three liters of water when carrying her down became impossible and then remained silent for the next week while other people organized her rescue on the 14ers.com forum.  There have been dogs that have summited all of Colorado’s 14ers and opinions on the subject are all over the map.  I, with my girlfriend, Erin carried our Shih Tzu, Zari to the top of 14,229’ Mt. Shavano where we were greeted with a hail storm.  On the way to the summit of Mt. Shavano and back down, we saw at least 5 other dogs, all seemingly happily hiking the mountain.  Zari was quite happy to be let out of her bag after the storm had passed and walk most of the way down the mountain under her own power.  On Cloud Peak in Wyoming we also witnessed a Rottweiler with injured paws, scared and alone in a bolder field high on the mountain.  We gave the dog food and water lapped from our hands but when we tried to lead him down towards the camping areas he was resistant and disappeared, making his own way, we hoped towards his people.

In some ways smaller dogs seem to have advantages to bigger dogs on harder, longer hikes.  The Rottweiler on Cloud Peak and the German Shepherd on Bierstadt were both undoubtedly strong hikers but when the route became too much, they’re quite a burden to carry.  Smaller terriers, sheep and some cattle dogs seem to fit in a good middle place where they can be high energy and love walks and runs but are small enough to be carried in a pinch.  On a desert trail in western Colorado I saw a Jack Russel Terrier racing after a mountain bike speeding downhill; the dog looked to be having the time of her life.  

Of course there is the consideration of knowing your dog and easing him or her into outdoor adventures.  Some outdoor pursuits by their nature are unpredictable.  Lucky, the dog left on Bierstadt had summited 6 14ers before that fateful mountain.  I’ve felt great on some mountains and sick and weak on others with out completely understanding why.  Dogs age faster than humans too, just because a dog hiked something last year, it gives no guarantee for the coming year.      

In the end, taking your dog (or not) on outdoor adventures comes down to consideration.  Ryan Kushner set out to summit all of Colorado’s 14ers with Sophie, his dog but stopped a little short because his Sophie was getting old and arthritic and he didn’t want to cause unnecessary pain.  One could ask why he took his dog on any 14er in the first place but the answer is plain when one sees dogs and humans happy together high in the mountains.  Because dogs can’t communicate clearly, because they may push themselves further than they should for a human they love, we should show dogs more consideration than we show ourselves.  

On a long hike when I was in my teens, I took our mix breed family dog, Chance with me, we got a little lost and took longer getting back than I anticipated.  Eventually it was obvious Chance’s paws were getting sore from walking longer than he was accustomed to. I picked Chance up and carried him for miles over my shoulders back to the car; it was the only time I remember Chance letting me pick him up.  Carrying Chance made the hike harder for me but I got him into the mess in the first place and I felt truly sorry his feet were sore.  Showing a dog more consideration than yourself means not only being willing to carry your dog or invest in booties or salve.  Putting your dog first can also mean what is anathema to many peak baggers: turning around before the summit.  Your dog is more important than any amount of posturing for the perfect photo at the top.         

--

By <a href="mailto:zachfitzner@yahoo.com">Zach Fitzner</a>, <a href="http://earth.com">Earth.com</a> Contributing Writer

Earth.com exclusive: Hiking With Dogs

Dogs have long been companions for high adventures of all...

In Antarctica, scientists have just discovered the bones of a 150 million-year-old giant – a plesiosaur, which is now the first of its species located in Antarctica, and the oldest creature ever found on the continent.

Plesiosaur’s had a gigantic body – up to 39 feet long, with four powerful flippers and a long, snake-like neck. Oddly enough, they look a lot like the fabled Loch Ness Monster, which is said to still live in a lake in Scotland. The plesiosaur family was quite diverse, and includes a number of unique species. 

The remains were found at the tip of the continent where, according to paleontologist Soledad Cavalli, “you can find a great diversity of fish, ammonites, some bivalves, but we did not expect to find such an ancient plesiosaur.” Cavalli continues, “The discovery is pretty extraordinary, because the rock types at the site weren’t thought conducive to the preservation of bones, like the vertebrae of this marine reptile.”

The first documented discovery of a <a href="https://www.earth.com/news/plesiosaurs-survived-mass-extinction/">plesiosaur</a> skeleton was published in 1719 by William Stukeley, an English antiquarian. Since that time, hundreds of fossils have led to scientists getting a better understanding of this enormous animal of the past. This month alone, this discovery in Antarctica likely takes a backseat to an earlier discovery of the oldest plesiosaur specimen ever found. 

These living giants survived with dinosaurs from the Jurassic period until their extinction at the end of the Cretaceous period. It is believed that the last of these creatures died roughly 66 million years ago, when an asteroid collided with the Earth. Luckily for us, there are many more skeletons to find.

--

By <a href="mailto:certz@earth.com">Connor Ertz</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Image Credit: Painter Heinrich Harder, 1916

Remains of enormous, ancient sea monster discovered in Antarctica

In Antarctica, scientists have just discovered the bones of a...

Scotland has now passed a new law that bans the use of all wild animals in circuses.

The bill, which was proposed more than a decade ago, received unanimous cross-party backing by the members of Scottish Parliament. 

Scotland is the first country in the United Kingdom to propose a ban like this for circus animals. According to Roseanna Cunningham, the Scottish Cabinet Secretary for Environment, Climate Change and Land Reform, the legislation shows the rest of the world Scotland’s respect for wild animals.

“It makes a clear statement to the world that the Scottish people respect the innate character of wild animals and will not tolerate their subjection to a nomadic lifestyle as a spectacle for entertainment,” said Cunningham.

It is formally known as the Wild Animals in Traveling Circuses Bill, and now other countries in Europe are following suit by putting similar legislation into motion. 

Maltreatment of animals in circuses and tourist attractions is nothing new, particularly for bigger wild animals like <a href="https://www.earth.com/news/safe-place-elephants-africa/">elephants</a>, tigers, and lions. 

Earlier this year the Ringling Brothers and Barnum and Bailey Circus, aka “The Greatest Show On Earth,” announced it would be stopping the touring circus and <a href="http://www.cnn.com/2017/01/14/entertainment/ringling-circus-closing/index.html">closing down for good.</a>

The Ringling Brothers’ CEO Kenneth Feld cited poor ticket sales and high operating costs, but the circus had also faced major backlash for the conditions and treatment of the animals in the show, particularly the elephants. 

The major attraction even dealt with a <a href="https://www.washingtonpost.com/business/capitalbusiness/ringling-circus-prevails-in-14-year-legal-case-collects-16m-from-humane-society-others/2014/05/16/50ce00b8-dd15-11e3-8009-71de85b9c527_story.html?utm_term=.d6ab793aeb41">14-year court case</a> where The Ringling Brothers had been accused of mistreating animals. The circus ended up settling, as the allegations couldn’t be proven, but after the case the <a href="https://www.npr.org/2016/05/02/476498700/ringling-brothers-officially-retires-circus-elephants">elephants were retired from the show</a>. 

The end of the Ringling Brothers circus was seen as a victory for many animal rights activists.

Unfortunately, animal mistreatment does still occur in circuses and tourist attractions worldwide. But Scotland’s new law is an important step in ending using animals for profit and entertainment. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>,<a href="https://www.earth.com/"> Earth.com </a>Staff Writer

Scotland bans the use of wild animals in circuses

Scotland has now passed a new law that bans the...

When the seawater of Queensland’s coastline greatly receded in 2009, a new species of water-adapted spiders was exposed. Researchers associated the emergence of the spider population with a song by reggae legend Bob Marley, “High Tide or Low Tide.”

Specimens of the new species, Desis bobmarleyi, were collected by a team from the <a href="http://www.qm.qld.gov.au/">Queensland Museum</a> and the <a href="https://www.uni-hamburg.de/en.html">University of Hamburg</a>. In their report, the researchers describe the spider along with two of its relatives from Samoa and Western Australia.

The recently discovered intertidal creatures are unlike other spiders in that they are truly marine. They hide in barnacle shells, corals, or kelp during high tide and build air chambers from silk that allow them to breathe underwater. After the water recedes, they hunt small invertebrates on the surfaces of nearby rocks, corals, and plants.

Both sexes of D. bobmarleyi are characterized by primarily red and brown colors. Their legs are orangish brown and covered with a thick layer of long, dark grey hair-like structures. 

According to the study, the females are likely larger in size than the males. The female specimen examined by the team measured nearly 9 millimeters while the male measured about 6 millimeters.

It is known that the new species exists in the intertidal zones of the Great Barrier Reef on the northeastern coast of Queensland, but the overall distribution range of D. bobmarleyi is not yet known.

The research team used their report to describe the marine <a href="https://www.earth.com/news/sea-spiders-guts-oxygen/">spiders</a> and to pay tribute to Bob Marley. The scientists also took the opportunity to recognize Amalie Dietrich, a German naturalist from the late 19th century. Both of these individuals are seen by the researchers as humans who are “adventurous and resilient at heart.”

In addition, the study authors explain why the species was named for Bob Marley.

“The song 'High Tide or Low Tide' promotes love and friendship through all struggles of life,” they said. “It is his music that aided a field trip to Port Douglas in coastal Queensland, Australia, to collect spiders with a highly unique biology.”

 The study is published in the open access journal <a href="https://evolsyst.pensoft.net/">Evolutionary Systematics</a>.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Image Credit: R. Raven

New species of spider named after Bob Marley

When the seawater of Queensland’s coastline greatly receded in 2009,...

One of the most important rules for pet owners is keeping chocolate away from dogs. Chocolate has long been known to be toxic to <a href="https://www.earth.com/news/dogs-understand-humans-better/">dogs</a>, causing vomiting, increased heart rate, seizures, and even death.

The reason chocolate is so harmful to dogs is that it contains theobromine, a caffeine-like substance that is easily metabolized by humans but not dogs. 

Different types of chocolate have varying quantities of theobromine, and typically the darker and less refined the cocoa, the more toxic the product. Baking chocolate is the worst kind of chocolate for dogs to consume. 

A new study, conducted by researchers from the <a href="https://www.liverpool.ac.uk/">University of Liverpool</a>, found that the holidays cause an increased risk of chocolate poisoning in dogs because there’s typically much more chocolate left out in the house.

This is the first study to analyze veterinary records to find patterns of heightened cases of toxicity during holidays like Christmas, Easter, Valentine’s Day and Halloween, when chocolate is readily available. 

The researchers found that Christmas, followed by Easter, were the worst times for dogs regarding the risk of toxicity. 

For the study, the researchers examined records from 229 veterinary practices between 2012 and 2017, specifically focusing on cases that dealt with chocolate poisoning during the common chocolate heavy holidays. 

All in all, the researchers had data from 386 cases involving 375 individual animals. 

One in four of the cases occurred an hour after eating the chocolate, while over 50 percent of the cases were brought to the vet within six hours of chocolate consumption. 

The symptoms reported in the cases were typical with chocolate toxicity, but none of the cases were severely life-threatening. 

The researchers found that access to chocolate was four times more likely for dogs during Christmas and twice as likely during Easter. Interestingly, there were no increased cases during Valentine’s day or Halloween. 

“Here we describe significant peaks of chocolate intoxication, most notably at Christmas and to a lesser extent Easter presumably reflecting the enhanced availability of seasonally-related chocolate such as Easter-eggs, chocolate Santa Claus figurines and Christmas tree decorations, possibly in the hands of younger members of society,” said the authors in their study. 

You should keep chocolate away from your pets all year long, but this study shows that it’s important to be extra aware of chocolate in the house during the December holidays.

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By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Dogs are most at risk of chocolate poisoning around Christmas

One of the most important rules for pet owners is...

Although dog treats are the fastest growing segment of the pet food industry, very little is known about their nutritional value and their impact on a dog’s diet, health, and wellness. 

Currently, European regulation states that dog treats should be labeled as “complementary feed” and establishes rules for labeling to give consumers the necessary information. The World Small Animal Veterinary Association (WSAVA) guidelines also state the daily treat intake should not be greater than 10% of a dog’s energy needs – known as maintenance energy requirement (MER).

However, recent research published in the <a href="http://veterinaryrecord.bmj.com/">Vet Record</a> finds that most dog treats on the market contain a wide range of unidentified ingredients – including sugars – and often exceed the recommended daily energy allowance for treats.

For this study, researcher Giada Morelli of the <a href="http://www.unipd.it/en/">University of Padua</a> in Italy looked to compare the nutrient composition of different categories of treats and determine whether daily intake recommendations on their labeling were in accordance with WSAVA guidelines. Taking 32 popular dog treats found in pet shops and supermarkets, Morelli and colleagues analyzed the products for levels of minerals, starch, simple sugars, and the amino acid hydroxyproline. 

The results showed that over three-quarters (76%) of treats contained between four and nine ingredients, and these ingredients were not precisely described on the label. Out of six categories of different treat types, only the instructions for dental sticks remained below 10% MER for every dog size. Biscuits were found to be the most calorically dense treat, while dental sticks were the least.

This study is the first to investigate and categorize dog treats to determine their nutrient profile. Although the authors note some study limitations, like the small number of treats that were analyzed in each category, they maintain that these findings suggest that treat labeling needs to include more information on the ingredients present. If these instructions are more closely followed, it could help prevent <a href="https://www.earth.com/news/dogs-understand-humans-better/">dogs</a> from becoming overweight and at increased risk of conditions such as diabetes.

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By <a href="mailto:certz@earth.com">Connor Ertz</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Poor labeling on dog treats may put your pet at risk

Although dog treats are the fastest growing segment of the...

There are many different reasons why animals have evolved colors. Animals use color to avoid predators, to attract <a href="https://www.earth.com/news/mice-use-higher-pitches/">mates</a>, and even to advertise their services, such as cleaning. Sometimes animals have pigments in the skin which physically protect them from the elements and sunburn. 

Whatever the reason may be, there are some animals with colors so beautiful and vibrant that they look like they are from another world. Here are 10 of the most colorful animals on the planet.

&nbsp;

Gouldian Finch

Native to Australia, the gouldian finch has distinctive green, yellow, red, and black markings. The males have a bright purple chest, while the female's chest is a lighter shade of mauve.

&nbsp;

Lilac Breasted Roller

The distinguishing marks of these African birds are a bright green crown with a lilac color on the throat that deepens as it descends onto the chest. Some lilac breasted rollers have bright blue throats with lilac patches on their abdomens.

&nbsp;

Poison Dart Frog

The bright colors of the poison dart frog signal a warning to predators of the frog's toxicity, also known as aposematic coloration. These frogs stand out even in the tropical forests of Costa Rica and Brazil, with some of the brightest shades of yellow, copper, red, green, and blue on the planet.

&nbsp;

Rainbow Lorikeet

This vibrant parrot has a royal blue head with a green and yellow collar, a green belly, and yellow thighs. Native to southern Australia, Rainbow lorikeets have also been introduced to Perth, Western Australia, Auckland, New Zealand, and Hong Kong.

&nbsp;

Parrotfish

Located in relatively shallow tropical waters, the parrotfish sports different colors depending on its gender. Female colors are less exciting shades of brown, green, and silver, while the males have bright colors such as aqua, orange, pink, yellow, red, and electric blue. Interestingly, the color roles are reversed in the Mediterranean, with the females wearing the more vibrant colors.

&nbsp;

Oriental Dwarf Kingfisher

Found in lowland forests of regions such as India and Southeast Asia, this small kingfisher glows with vivid yellow, red, pink, orange, and midnight blue.

&nbsp;

Indian Peacock

This South Asian bird has a metallic blue crown and iridescent blue-green feathers with brilliantly colored eyespots. During courtship, the vibrant feathers are raised into a fan and put on display. Surprisingly, these extravagant feathers can also be used for flight.

&nbsp;

Mandarin Fish

Featuring a green body with orange, blue, and black spots, the mandarin fish is easy to identify. These small fish live in the coral reefs of the Western Pacific.

&nbsp;

Keel-Billed Toucan

This colorful Latin American bird is mainly black with a yellow neck, blue feet, and bright red coloring on its tail. The keel-billed toucan, which is the national bird of Belize, has a very distinctive green bill with orange sides and a red tip.

&nbsp;

Chameleon

These Old World lizards come in a large range of shades and some species can even change their colors. The change of coloration can be used for protection, but is primarily use for socialization or in reaction to changes in the environment. These intriguing creatures have varying shades of pink, blue, red, green, orange, black, brown, yellow, turquoise, and purple.

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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

&nbsp;

10 of the world’s most colorful animals

There are many different reasons why animals have evolved colors....

Worldwide increases in agricultural practices have led to common pesticides becoming more widely used, leaving traces behind in the soil, water, nectar and pollen. 

A new study conducted by biologists from the <a href="https://ucsd.edu/">University of California, San Diego</a> found both pesticides and a lack of nutrition have become a deadly combination and together have a devastating synergistic effect on bee populations. 

The study is the first of its kind to show how this interactions between pesticides and nutrition affects animals.

The researchers monitored honey bees exposed to the pesticides clothianidin and thiamethoxam, which are two commonly used neonicotinoid pesticides in many crops. The team also limited the nutrient sources for the bees to mirror the conditions experienced in agricultural areas.

Bee deaths increased drastically, up to 50 percent or more, when the <a href="https://www.earth.com/news/blooming-seasons-bad-bees/">bees</a> had to deal with both pesticides and lack of nutrition. 

“We tested the effects of different neonicotinoid pesticides because of a growing concern and evidence about negative effects of these pesticides on pollinators,”  said Simone Tosi, a member of the research team. “Our results provide the first demonstration that these stressors can synergistically interact and cause significant harm to animal survival.” 

The combined effects of neonicotinoid exposure and lack of nutrients directly reduced the bee’s blood sugar levels and decreased their energy stores.  

Bee populations have been declining worldwide which is a major cause for concern because bees are major pollinators. 

This study shows how dramatically bees are affected not just by pesticides, but by lack of nutrition as well. 

“These findings should cause us to rethink our current pesticide risk assessment procedures, which, based upon our findings, may underestimate the toxic effects of pesticides on bees,” said Tosi.

--

By<a href="mailto:kayvandette@gmail.com"> Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Image Credit: Simone Tosi, UC San Diego

Bees face double whammy of pesticides and lack of nutrition

Worldwide increases in agricultural practices have led to common pesticides...

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



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.

Flu viruses are more flexible than expected

[sendtonews key="G9bUoxcjr4-2511624-12187" 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> 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



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.

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



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.

How does salt makes things taste better?

[sendtonews key="X0f6OHYoI4-2310561-12187" 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> 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

[sendtonews key="JRaP49ISmm-2357509-12187" type="single"] Today’s Video of the Day from the...

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

[sendtonews key="e4ZG0Jawp3-2374785-12187" type="single"] Astronomers at Johns Hopkins University have created...

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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"

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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

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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



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 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

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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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