Birds may seem to be singing randomly, but new research suggests their vocalizations may follow hidden rules similar to those that govern human language.



Over the past three decades, scientists have used birdsong as models to understand how humans acquire and transmit language.&nbsp;



Birdsong even serves as a tool for studying <a href="https://my.clevelandclinic.org/health/diseases/speech-impairment" target="_blank" rel="noreferrer noopener">speech disorders</a> in humans because it shares biological similarities with human speech. Unlike human subjects, birds can be studied in natural conditions without significant ethical or logistical barriers.&nbsp;



<h2 class="wp-block-heading" id="h-birds-sing-through-notes-and-calls">Birds sing through notes and calls</h2>



But do birds follow the same linguistic rules as we do? To explore this question, it helps to first understand how birds structure their songs.



Notes are continuous sounds separated by short pauses, while phrases are short sequences of notes that always appear together.



Calls are typically short, innate sounds, whereas songs are longer sequences of learned <a href="https://www.earth.com/news/music-triggers-unique-prediction-zones-in-the-brain/">notes</a> or phrases. Bouts are series of similar calls or songs separated by longer rests.



But do these patterns reflect true linguistic rules? One of the best candidates is Zipf's law of abbreviation (ZLA), a principle that shows up in nearly every human language. 



ZLA predicts that frequently used words or sounds tend to be shorter, while rare ones are longer. A team of researchers, including Rebecca Lewis of the <a href="https://www.manchester.ac.uk/" target="_blank" rel="noreferrer noopener">University of Manchester</a>, set out to put ZLA to the test.



<h2 class="wp-block-heading" id="h-human-language-pattern-in-bird-songs">Human language pattern in bird songs</h2>



The researchers developed a new method to test ZLA. They introduced an R package called ZLAvian and analyzed songs from 11 populations across seven species archived in the Bird-DB.



Overall, the results showed a weak but consistent tendency to use shorter sounds more frequently. However, at the individual population level, only one out of eleven showed strong evidence of ZLA.



Studying ZLA in birdsong presented several challenges that are absent in human language. Most <a href="https://birdsoftheworld.org/bow/news/new-study-finds-where-birds-are-declining-most-some-locales-with-positive-trends" target="_blank" rel="noreferrer noopener">bird populations</a> use only a few note types compared to our many words, making it difficult to see clear links between sound length and frequency.



Because birds copy songs from others rather than creating them, any variations could reflect shared learning rather than something that emerged independently.



<h2 class="wp-block-heading" id="h-mixed-results-in-different-bird-species">Mixed results in different bird species</h2>



More than three decades ago, Jack P. Hailman and colleagues noticed that black-capped chickadees often produced shorter bouts of calls frequently than longer ones, but the pattern did not clearly match Zipf's Law.



Later studies showed mixed results. A 2013 study found no evidence of ZLA in common ravens, while a 2020 study of captive African penguins suggested shorter notes were more common.



More recently, some researchers found no evidence of ZLA in the calls of domesticated Java sparrows, while others reported evidence in wild house finches.



<h2 class="wp-block-heading" id="h-the-bigger-question-of-language">The bigger question of language</h2>



The challenges lead to the bigger question. Do birds really follow ZLA, or should we even expect them to? In humans, it is one of the most consistent patterns in language.



The idea of ZLA comes from the Law of Least Effort, which suggests that people naturally choose the path of least resistance to achieve a goal.&nbsp;



Interestingly, ZLA is not only applicable to spoken words but also to written symbols and texts. However, when it comes to animals - including primates, <a href="https://www.earth.com/news/dolphins-and-whales-got-new-backbones-for-life-in-the-water/">cetaceans</a>, bats, and even hyraxes - the evidence is unclear. Very few studies have tested whether ZLA holds true for birds.



<h2 class="wp-block-heading" id="h-bird-talk-can-t-be-simplified">Bird talk can’t be simplified</h2>



For humans, shortening words rarely changes their meaning - “television” and “TV” both convey the same idea. But in birdsong, the exact sound of a note can carry crucial information. 



In some species, females interpret particular notes as signals of male quality, and because these notes may be difficult to produce, even slight alterations could distort the message and affect mate choice. This sensitivity might explain why the linguistic principle of Zipf’s Law of Abbreviation (ZLA) is not consistently observed in birdsong. 



While the study found some hints of the pattern in certain species and populations, others showed no evidence at all, suggesting that if ZLA exists in birdsong, it is far less consistent than in <a href="https://www.earth.com/news/ai-generated-birdsongs-may-shed-new-light-on-human-language/">human language</a>. 



Future research with larger datasets and broader sampling will be essential to determine whether this linguistic rule truly applies to birds when they communicate.



The full study was published in the journal <a href="https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1013228" target="_blank" rel="noreferrer noopener">PLOS Computational Biology</a>.



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Birds may follow a hidden pattern of human language

Birds may seem to be singing randomly, but new research suggests their vocalizations may follow hidden rules similar to those that govern human language. Over the past three decades, scientists have used birdsong as models to understand how humans acquire and transmit language.&nbsp; Birdsong even serves as a tool for studying speech disorders in humans because it shares biological similarities with human speech. Unlike human subjects, birds can be studied in natural conditions without significant ethical or logistical barriers.&nbsp; Birds sing through notes and calls But do...

A new study found that reindeer might play an integral part in slowing down climate change. Published in the journal Environmental Research Letters, Dr. Mariska te Beest of <a href="http://www.umu.se/english">Umeå University</a> and her team of researchers found that through grazing, reindeer increase the amount of solar energy reflected by the earth back into space.

In this article, the researchers refer to this reflection of solar energy by the earth as “surface albedo.” When reindeer graze, and thus reduce the height and abundance of shrubs on the Artic tundra, they increase the surface albedo. Dr. te Beest explains: “Our theory was that heavy grazing by reindeer increases summer albedo through a reduction in shrub height, abundance, and leaf area index.”

Their study combined land surface computer modeling with actual measurements of surface albedo and vegetation characteristics taken in the field. The field measurements were done in a region of Norway that contained four topographically-defined vegetation types, which varied in shrub height and abundance.

The team worked during the summer season, estimating reindeer activity by using vegetation-trampling indicators and collecting dung. They made field measurements of the abundance of vegetation, the leaf area index, as well as soil moisture and temperature levels. Researchers also measured surface albedo levels in the studied areas.

Dr. te Beest and her team found that through decreasing shrub abundance, high densities of reindeer can completely change Artic tundra vegetation. These changes in abundance, canopy height, and amount of live vegetation led to a substantial increase in surface albedo throughout the growing season.

By using computer modeling, the researchers were able to determine that this increase in albedo would result in a decrease in net radiation, as well as latent and sensible heat fluxes. This indicates that heavily grazed sites are actually absorbing less radiation.

Dr. te Beest believes their findings can have a significant impact on the climate warming conversation, saying “Our results show that reindeer have a potential cooling effect on climate, by changing the summer albedo. Although the estimated differences might appear small, they are large enough to have consequences for the regional energy balance.”

Given that most of the Artic tundra is grazed by either wild or domesticated reindeer, this finding could be very important.

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Credit: Earth.com author Connor Ertz

Reindeer might play an integral role in slowing down climate change

A new study found that reindeer might play an integral...

Reindeer antlers are notoriously tough! Scientists have long wondered how they can resist breaking during what are often violent territorial fights.

Now, scientists from Queen Mary University of London (QMUL) have discovered the secret behind the toughness.

The team looked at the reindeer antlers structure at the 'nano-level', which is incredibly small, almost one thousandth of the thickness of a hair strand, and were able to identify the mechanisms at work, using state-of-the-art computer modelling and x-ray techniques.

First author Paolino De Falco from QMUL's School of Engineering and Materials Science said: "The fibrils that make up the reindeer antler are staggered rather than in line with each other. This allows them to absorb the energy from the impact of a clash during a fight."

The research, published today in the journal ACS Biomaterials Science &amp; Engineering, provides new insights and fills a previous gap in the area of structural modelling of bone. It also opens up possibilities for the creation of a new generation of materials that can resist damage.

Co-author Dr Ettore Barbieri, also from QMUL's School of Engineering and Materials Science, said: "Our next step is to create a 3D printed model with fibres arranged in staggered configuration and linked by an elastic interface.

The aim is to prove that additive manufacturing - where a prototype can be created a layer at a time - can be used to create damage resistant composite material."

--

Credit: Earth.com Staff/<a href="http://www.qmul.ac.uk/" target="_blank">Queen Mary University of London</a>

What makes reindeer antlers unbreakable?

Reindeer antlers are notoriously tough! Scientists have long wondered how...

Scientists from <a href="http://www.orst.edu">Oregon State University</a> reported in a new study that advancements in whale tagging technology have allowed them to track whale behavior in unprecedented detail.

A new sophisticated “Advanced Dive Behavior,” or ADB, tag has allowed researchers to record underwater data every second for hours, days and weeks at a time. This has expanded scientists’ knowledge of whale ecology in areas deep within the ocean and over thousands of miles of travel. The tags even give information on the whale’s interaction with their prey.

The research done on ADB whale tagging technology from 2007-2015 has been supported by the Office of Naval Research, the U.S. Navy, and the International Association of Oil and Gas Producers. Bruce Mate, professor and director of OSU’s Marine Mammal Institute, reports, “The ADB tag is a pretty revolutionary breakthrough… This provides us a broad picture of whale behavior and ecology that we’ve never had before.”

According to researchers, this new form of whale tagging expands observations on whale feeding and behavior by several orders of magnitude. It shows when, where, and how they feed, as well as how they are affected by passing ships and water temperatures.

The findings, published in the journal Ecology and Evolution, showed sperm whales diving more than 1000 meters to the sea floor and submerging for up to 75 minutes. They also reported baleen whales lunging after their food, as the ADB tags can sense whale movement and body orientation as well as water depth, temperature, and light levels.

These tags can also provide a basis to better understand how whales react to undersea noises such as sonar and seismic exploration. Daniel Palacios, a co-author on the study, says, “By using this technology on three different species, we’ve seen the full range of behavior that is specific to each species.” These three species are sperm, blue, and fin whales.

Earlier tagging technology was unable to return data from the deep sea for much longer than a day. The new ADB tags are able to constantly acquire data for up to seven weeks at a time. They then detach from the whale and float up to the surface, allowing scientists to retrieve these tags and download the new data.

Ladd Irvine, the corresponding author on the study, believes that by using these tags the researchers can gather data at a much lower cost with far less manpower, saying, “This tag type yields amazing results. It’s going to significantly expand what we can accomplish, learning both about whale ecology and the ocean itself.”

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Credit: Earth.com author Connor Ertz

New whale tagging technology has opened a window into the life of whales

Scientists from Oregon State University reported in a new study...

A team of researchers  from George Washington University has published a paper in Current Biology that details their discovery of a new species of dinosaur, which could explain why birds have beaks but no teeth. The dinosaur, Limusaurus inextricabilis, was discovered in the Xinjiang province of China. The team studied 19 skeletons that were found in an ancient “death pit,” where they had become stuck in mud and were unable to escape.

The dinosaurs ranged in age from babies to adults, exhibiting a pattern of tooth loss over time. This age range was important to the researchers for two reasons, as Dr. James Clark outlines, “First, it’s very rare to find a growth series from baby to adult dinosaurs. Second, this unusually dramatic change in anatomy suggests there was a big shift in Limusaurus inextricabilis diet from adolescence to adulthood.”

The baby skeleton had small, sharp teeth, while the adult skeletons had no teeth at all and did not appear to grow another set as adults. This may indicate that the young Limusaurus were carnivores or omnivores, while the adults were herbivores. Generally, a change in tooth structure or loss of teeth is indicative of a diet change as well. The chemical makeup of the dinosaurs’ bones also supports the team’s theory of a diet change between babies and adults.

Limusaurus is a part of the theropod group of dinosaurs, which are the evolutionary ancestors of birds. Scientists believe that these fossils may help show how theropods such as birds lost their teeth, initially going through anatomical changes during development from infancy to adulthood.

Josef Stiegler, a co-author on the paper, reiterates the importance of these fossil findings, “For most dinosaur species we have few specimens and a very incomplete understanding of their developmental biology. The large sample size of Limusaurus allowed us to use several lines of evidence including the morphology, microstructure, and stable isotopic composition of the fossil bones to understand development and dietary changes in this animal.”

[caption id="attachment_128002" align="aligncenter" width="750"]<img class="size-full wp-image-128002" src="http://www.earth.com/wp-content/uploads/2016/12/Limusaurus-inextricabilis-GWU.jpg" alt="Limusaurus inextricabilis fossil. Credit: GWU" width="750" height="301" /> Limusaurus inextricabilis fossil. Credit: GWU[/caption]

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Credit: Earth.com author Connor Ertz/<a href="http://www.gwu.edu">George Washington University</a>

Limusaurus inextricabilis: Strange new dinosaur species lost their teeth as adults

A team of researchers  from George Washington University has published...

A study published in Current Biology finds that baby reef fish may have an internal magnetic ‘compass” that can direct them home at night when there is no sun or stars to guide them.

Professor Mike Kingsford of <a href="https://www.jcu.edu.au/">James Cook University</a> collaborated with colleagues in Germany to discover how baby Cardinal fish are able to find their home reef in the darkness of night. During this study, the researchers set up an isolated magnetic field that they could manipulate in order to observe how the fish reacted.

Professor Kingsford noted, “Normally, baby reef fish orientated to the southeast, but when we altered the magnetic field clockwise by 120 degrees, there was a significant change in the direction the fish swam. They all turned further west, thinking they were still on track to their destination.”

Their results showed that fish larvae can use a magnetic sense to point them in the direction of home. Previous research done by this team has shown that these fish begin a “homing process” when they get closer to their target, relying on odor, sounds, and landmarks to find their home reef.

Other studies have shown that birds, marine mammals, sharks, and boney fish have a similar internal compass. However, this most recent study is the first clear indication that baby reef fish use magnetic senses to orient themselves at night.

Reef fish hatch from eggs into larvae and then disperse for days to months out in the ocean before finding another reef or returning home. It is believed that once they find a reef, they generally stay there for the rest of their lives.

Professor Kingsford elaborated, “The study tells us these baby fish actually have brains. They know where they are going and are strong swimmers. As a result, they have some control over the reef they end up on. It’s not just about being led by the currents.”

He thinks that this knowledge can be used further down the road to develop more accurate models of where fish larvae go, which can be used determine the best method for protecting and maintaining sustainable fish stocks.

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Credit: Earth.com author Connor Ertz

Baby reef fish use an internal magnetic compass to find their way home

A study published in Current Biology finds that baby reef...

Researchers from the <a href="http://www.calacademy.org/">California Academy of Sciences</a> identified 133 new species this year. The findings include ants, beetles, fish, plants, and even a new shark.

The team explored five continents and three oceans. More than 12 Academy scientists teamed up with several dozen international collaborators to describe their discovery.

The Academy’s Chief of Science Dr. Shannon Bennett says, “"Biodiversity scientists estimate that we have discovered less than 10% of the species on our planet.”

By exploring uncharted territory, researchers aim not only to discover new species but also to uncover the impact these species may have on modern science and technology.

“Species live together in rich networks that thrive on complexity whether we can see it or not. Even the tiniest organism can be beautiful and important," says Bennett.

The Academy expedition found a new species of groppo 487 feet under water. This distinctive fish species is pink and yellow. The significance of unearthing the brilliantly-colored fish is that it is the deepest discovery ever made by human hands.

"This groppo is the most beautiful fish I've ever seen," says Rocha, a co-leader of the Academy's mission. "But beyond its looks, it's a reminder that we know very little about the mysterious half-lit reefs we call the twilight zone. We need to understand the life inside these largely-unexplored deeper reefs because they may help us understand how the oceans respond to great change."

Other discoveries made by the Academy scientists include “Dracula ants,” armored lizards, and gray-haired bee flies. A new bird virus was also identified this year that solved the decade-long mystery of wild birds with deformed beaks.

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Credit: Earth.com author Connor Ertz

Researchers discover 133 new species of plants and animals

Researchers from the California Academy of Sciences identified 133 new...

A new study published in the scientific journal Biology Letters reports that promiscuous female butterflies and moths may be able to choose which male fertilizes their eggs. Researchers Dr. Graziella Iossa and Dr. Paul Eady from the <a href="http://www.lincoln.ac.uk/home/">University of Lincoln</a> examined the eggs of 56 species from different families of butterflies and moths. Their findings show that the eggs of some species vary to give females control over the paternity of their offspring.

In most insects, sperm fertilizes the egg through small openings in the outer surface of the eggs which allow sperm to enter. These openings are called micropyles, and there is considerable variation in the location, arrangement, and number of micropyles within and between insect species.

In the group of female butterflies and moths that the researchers studied, they found that sperm from several different males can enter the egg via multiple micropyles, but only one ends up fusing with the female pronucleus. They believe that this process allows for the possibility of mate choice within an egg cell. Dr. Iossa states that they “therefore concluded that the presence of multiple micropyles increases the opportunity for post-copulatory choice about which sperm fertilizes the egg.”

Both researchers believe this is the first study to show that micropylar variation is driven by female promiscuity. Therefore, the more micropyles the egg has, the more choice the butterfly or moth has over which male fertilizes their offspring.

It is also possible that an increased number of micropyles in the surface of an egg is an advantageous anatomical design for when mating competition is high and sperm numbers are limited.

This unique study furthers our understanding of the relationship between female mating patterns and the number of micropyles in her eggs, and gives us a deeper look into female choice in butterfly and moth mating habits.

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Credit: Earth.com author Connor Ertz

Promiscuous female butterflies can control which male fertilizes their eggs

A new study published in the scientific journal Biology Letters...

A team of researchers from around the world, led by ecologist Dr. Marcell Peters, conducted a four-year long study on Mount Kilimanjaro to answer one of science’s most debated questions…why is there greater species diversity in the tropics than in Arctic regions?

For years, the contrast in species diversity between Earth’s Artic regions and tropical latitudes has been widely discussed. Tropical regions tend to have a great variety of plant and animal species, while the artic regions have moderate to low diversity. Professor Ingolf Steffan-Dewenter from the <a href="https://www.uni-wuerzburg.de/en/ueber/university/">University of Würzburg</a> says that the cause of this uneven distribution “has intrigued ecologists for quite some time… Already about ten years ago, the publishers of Science declared that to be one of the 25 most important questions of science to be answered yet.”

This question has been subject to controversy. One common hypothesis was that the primary productivity of a habitat is the key variable in the number of species living there. Primary productivity refers to the rate at which energy is converted by photosynthetic or chemosynthetic autotrophs into organic substances. Another hypothesis is that the rate of evolution and speciation is dependent upon temperature; the warmer the climate is, the more species diversity is present.

All of these hypotheses had only been examined through focusing on selected groups of species. The variety of results was never conclusive enough to point to one hypothesis. That is until Dr. Peters and his research unit “FOR1246” published their results in the journal Nature Communications.

Their unique study tackled the terrain of Mount Kilimanjaro, which has one of the Earth’s largest climatic gradients. This allowed the researchers to examine many plant and animals groups in parallel, which had yet to be done. Overall, the 38 scientists examined eight groups of plants and 17 groups of animals, covering an area that stretched from the savannahs at the base of the mountain to the habitats at an altitude above 4,500 meters, where plants could barely survive.

The data across all groups were collected over the same areas along the same period of time. This allowed the scientists to analyze the biodiversity of not only each individual group, but entire communities as well.

At its conclusion, the study revealed that species diversity within communities is mainly determined by temperature. The researchers found that the warmer the temperature, the greater the diversity of plants and animals. Dr. Peters said, “The more groups of animals and plants you investigate in parallel, the greater the significance of temperature for explaining biodiversity, whereas the importance of all other variables decreases accordingly.”

The researchers believe this study reveals significant evidence supporting the hypothesis that temperature is the most important factor for distribution patterns of species. It’s possible that their four years of work may have just answered one of sciences most intriguing questions.

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Credit: Earth.com author Connor Ertz

Why is species diversity greater in the tropics at the poles?

A team of researchers from around the world, led by...

It's Colo's birthday! The first gorilla ever born in captivity is turning 60. Colo, a resident of the <a href="https://www.columbuszoo.org/">Columbus Zoo and Aquarium</a>, is our nation’s oldest. Colo's birthday celebration was broadcast on Thursday in a live stream event.

Despite recent surgery to remove a malignant tumor, doctors report Colo is doing well. She is doing so well, in fact, that she has outlived the average life expectancy of captive gorillas by over 20 years.

Colo has a large family that includes 3 children, 16 grandchildren, 12 great- grandchildren, and 3 great-great grandchildren. Colo’s endurance is a testament to the quality of healthcare and nutrition provided to zoo animals.

“Colo just epitomizes the advances that zoos have made, going all the way back to her birth at Columbus,” said Dr. Tom Meehan of Chicago’s Brookfield Zoo.

Colo is one of a growing number of elderly zoo animals throughout the country. Ozzie, the oldest known male gorilla, is 55 years old and lives in the Atlanta Zoo. Now that it is more common for these animals to live longer, veterinarians are learning more about how to care for them as they age.

“Geriatrics is probably one of our most common medical challenges that we face in a zoo situation,” said Dr. Keith Hinshaw of the Philadelphia Zoo. “So pretty much anything that you could imagine would happen with an older person is going to happen eventually with any animal.”

In some cases, human medicine is being adapted to treat issues such as arthritis, heart disease, and cancer. A 45-year-old orangutan at the Toledo Zoo takes human heart medicines, pain medications, and Metamucil. Methods being used to treat various ailments include osteoarthritis, massage therapy, and acupuncture.
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Credit: Earth.com author Chrissy Sexton

Colo's birthday: First gorilla born in human care turns 60

It's Colo's birthday! The first gorilla ever born in captivity...

A recently discovered tropical fish species,  Tosanoides obama, has been named after President Barack Obama.

Scientists from the <a href="http://www.bishopmuseum.org">Bishop Museum</a>, the <a href="http://www.noaa.gov">National Oceanic and Atmospheric Administration (NOAA)</a> and the <a href="http://www.marineexploration.org">Association for Marine Exploration</a> published the official description of the coral reef fish today.

The fish, given the scientific name Tosanoides obama, is named in honor of the president due to his work in expanding the Papahānaumokuākea Marine National Monument, the Hawaiian marine park where the fish was discovered.

"We decided to name this fish after President Obama to recognize his efforts to protect and preserve the natural environment, including the expansion of Papahānaumokuākea," said Richard Pyle, Bishop Museum scientist and lead author of the study.

Obama expanded the marine park in August at the requests of Hawaiian scientists, conservationists and Sen. Brian Schatz. Papahānaumokuākea is the largest protected marine area on the planet, at 582,578 square miles.

Members of NOAA discovered and collected the fish in Papahānaumokuākea during a dive at Kure Atoll, the highest latitude coral atoll in the world.

The fish, a kind of basslet, is small, pink and yellow. The males’ dorsal fins have a spot near the tail with blue edges and a red and yellow striped center, which inspired the name, Pyle said.

“The spot on the males is reminiscent of President Obama's campaign logo," he said. "It seemed especially appropriate for a fish named in honor of the president."

The fish is extra special because it is endemic to Papahānaumokuākea, meaning it can’t be found anywhere else on Earth, said NOAA scientist Randall Kosaki,

The Tosanoides genus holds two other species in the tropical northwestern Pacific Ocean. Basslets are often found in coral reefs, and are also popular in saltwater aquariums.

Obama first saw the fish named after him in September when ocean explorer Dr. Sylvia Earle gave him a photograph. The exchange can be seen on an upcoming National Geographic special “Sea of Hope,” set to air Jan. 15, 2017.

The announcement of the Tosanoides obama follows the naming of the Prognathodes basabei, a new species of butterflyfish, which occurred earlier this year.

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Credit: Earth.com author Laura Porecca

Tosanoides obama : New fish species named after President Barack Obama

A recently discovered tropical fish species,  Tosanoides obama, has been...

Migrating raptors often fly toward wind turbines at offshore wind farms, potentially causing death

Offshore wind farms wind farms pose life-threatening risks to birds of prey, according to a study published today in Biology Letters.

The birds, or raptors – including buzzards, falcons and sparrowhawks – are known to avoid flying over open water, researchers said. Instead, these kinds of birds prefer to fly near potential places to land.

This tendency poses the risk of the turbines’ spinning blades killing the birds.

“[This] is probably that birds of prey are quite afraid of flying over open water,” Henrik Skov, an author of the study, told Daily Mail. “For a raptor, it looks less risky to fly towards a wind farm than to fly over open water.”

Raptors generally prefer to migrate across narrow bodies of water because they alternate between soaring and gliding, Daily Mail reported. They often “strictly avoid” crossing larger areas of open water.

Researchers conducted the study by monitoring birds’ migration during autumn 2010 and 2011 in Denmark, through laser range finders and radar. Birds of prey showed the greatest attraction to the offshore wind farms during times of strong winds.

The monitoring took place at the Rodsand II wind farm in the Baltic Sea.

When the migrations were compared against areas with and without wind farms, overall results showed the birds flew toward the offshore wind farms 49 percent of the time, according to the study, and flew toward the areas without farms 40 percent of the time.

“All raptor species displayed a significant attraction behavior towards a wind farm,” according to the study.

Sea birds, on the other hand, do not show this tendency.

Birds like sea gulls are unafraid of open waters, and are therefore not attracted to the turbines, Daily Mail reported.

“Sea birds … don’t experience the open water as being so hostile,” Skov said.

The study has brought attention to the issue of how wind farms affect wildlife, said the <a href="https://www.rspb.org.uk/">Royal Society for Protection of Birds</a>, an English bird protection charity. Each wind farm should be assessed for any potential risks toward wildlife, they said, to ensure animal safety.

“While we need to generate more electricity through renewable sources, this must be delivered in harmony with nature,” said the RSPB spokesperson.

The wind farm industry responded with the promise to aim toward preserving wildlife.

The spokesperson told Daily Mail the industry as a whole puts a great effort into keeping animals and the environment safe and clean before and after constructing a farm.

“We will continue to do our utmost to ensure that wind farms and conservation go hand in hand,” the spokesperson said.

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Credit: Earth.com author Laura Porecca/<a href="http://www.au.dk/en/">Aarhus University</a>

Offshore wind farms pose a risk to birds of prey

Migrating raptors often fly toward wind turbines at offshore wind...

The U.S. Fish and Wildlife Service and the binational Jaguar Recovery Team have joined forces and drafted a jaguar recovery plan, which is currently a “near threatened” species. This plan will allow agencies and organizations in the U.S. and Mexico to streamline their efforts to stop the population decline of these big cats.

The jaguar’s population has been severely depleted, especially in parts of Mexico and the United States. The major factors of this population decline are loss of habitat, direct killing of the species, and depletion of prey. Although the draft plan sets goals for improving the species’ status throughout its entire 19-country range, the plan mainly focuses on northwest Mexico and the southwest United States.

Two extensive jaguar recovery units – the Pan-American Recovery Unit and the Northwestern Recovery Unit – will focus on the areas from eastern Mexico to northern Argentina and from western Mexico to the southwest United States respectively.

However, jaguar reintroductions will not be occurring in the United States, as the binational recovery team will be instead focusing on efforts to sustain habitat, eliminate poaching, and improve social acceptance of the jaguar. This way, the population can most effectively rebound and contribute to the rest of the species’ recovery.

Steve Spangle, the Arizona Field Supervisor for the <a href="https://www.fws.gov/">U.S. Fish and Wildlife Service</a>, said, “We’re grateful for the recovery team’s scientific expertise and thoughtful vision for protecting Americas’ largest cat. We recognize the significant challenges of recovery planning for an elusive species with such an expansive, international range and are requesting comments and additional information.”

Recovery plans are not regulatory, but they help to provide a framework for the recovery of threatened and endangered species. This jaguar recovery plan includes scientific information about the species, as well as the criteria and actions necessary for it to be removed from the Federal List of Endangered and Threatened Wildlife and Plants.

It is estimated that this plan will take a minimum of 50 years for the jaguar to fully recover. In order to be successful, it will need to result in the protection of jaguar habitats, the jaguars themselves, and their prey. Otherwise, we might find ourselves losing one of the most iconic species in the Americas.

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Credit: Earth.com author Connor Ertz

Jaguar recovery plan devised to save the majestic cat from extinction

The U.S. Fish and Wildlife Service and the binational Jaguar...

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https://www.youtube.com/watch?v=3Y4eLFNYrKE
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On the unforgiving landscape of North Greenland, temperatures drop and sunlight barely penetrates through the polar winter. It was here, however, that an international team of scientists found <a href="https://www.earth.com/news/predatory-worms-were-terror-beasts-half-a-billion-years-ago/#google_vignette" target="_blank" rel="noreferrer noopener">evidence of sea monsters</a> that would change our understanding of ocean life in the past.



This video captures the discovery of Timorebestia fossils that had been hidden for more than 500 million years in the Sirius Passet formation. The "terror beasts," as they are called, are a hidden chapter in the evolutionary history of <a href="https://www.earth.com" target="_blank" rel="noreferrer noopener">Earth</a>, showing that sophisticated predator-prey interactions occurred much earlier than previously envisioned.



Dr. Jakob Vinther and his research team at the <a href="https://www.bristol.ac.uk/" target="_blank" rel="noreferrer noopener">University of Bristol</a>, in collaboration with researchers at the <a href="https://eng.kopri.re.kr/" target="_blank" rel="noreferrer noopener">Korean Polar Research Institute</a>, braved extreme weather conditions at 82.5 north latitude to locate these giant creatures. Using sophisticated electron microprobe analysis, they revealed the detailed anatomy of the animals, including their muscle and nerve tissues.



The find upsets the traditional timeline of sea predators. Although we've long appreciated that Cambrian oceans were at one time ruled by <a href="https://www.youtube.com/watch?v=jWI3-UgA3_o&amp;list=PL1QLQMW9MWDwpkFOnvgAmu7wT6rZmYqdJ&amp;index=19" target="_blank" rel="noreferrer noopener">arthropods</a>, these discoveries indicate that relatives of arrow worms were first to dominate the seas. These worms were building sophisticated food webs several million years before other predator groups arose.



Each fossil is a story of ancient hunger, with fossil stomach contents revealing these meter-long beasts dined on heavily armored arthropods regularly, cementing their place as the ocean's first apex predators.



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Worms dominated seas before dinosaurs

https://www.youtube.com/watch?v=3Y4eLFNYrKE On the unforgiving landscape of North Greenland, temperatures drop...

<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://www.youtube.com/watch?v=Ow3JH03PqEQ
</div><figcaption class="wp-element-caption">New York is the site of the world's oldest forest.</figcaption></figure>



<h2 class="wp-block-heading" id="h-385-million-year-old-trees-discovered">385-million-year-old trees discovered</h2>



Scientists have uncovered something extraordinary just two hours north of New York City. The <a href="https://www.earth.com/news/worlds-oldest-forest-discovered-close-to-new-york-city/" target="_blank" rel="noreferrer noopener">world's oldest forest</a>, dating back 385 million years, offers a window into how Earth's first complex forests shaped our planet's atmosphere.



Located near <a href="https://townofcairo.com/" target="_blank" rel="noreferrer noopener">Cairo, New York</a>, in Greene County, these weren't merely primitive plants struggling to survive. These were sophisticated trees with root systems remarkably similar to modern forests. This ancient woodland predates dinosaurs by 140 million years.



<h2 class="wp-block-heading" id="h-the-cairo-forest-discovery">The Cairo forest discovery</h2>



385 million years ago, upstate New York was a tropical paradise near the equator. Thanks to continental drift, this ancient forest has traveled thousands of miles to its current location.



The fossil forest sits in an abandoned quarry, roughly half the size of a football field. This represents just a slice of what was likely a massive forest system stretching from New York into Pennsylvania.



Charles Ver Straeten, curator of sedimentary rocks at the <a href="https://www.nysm.nysed.gov/" target="_blank" rel="noreferrer noopener">New York State Museum</a>, made the discovery in 2009. While scouting the former highway department property, his trained eye spotted wandering patterns in the stone that looked like marine features.



<h2 class="wp-block-heading" id="h-revolutionary-age-and-preservation">Revolutionary age and preservation</h2>



The site contains 385-million-year-old rocks with fossilized woody roots forming horizontal patterns up to 18 feet (5.5 meters) wide. As Christopher Berry, a paleobotanist at Cardiff University, explains: "You are walking through the roots of ancient trees."



This discovery pushes back advanced tree evolution by millions of years. The research, published in <a href="https://www.cell.com/current-biology/home" target="_blank" rel="noreferrer noopener">Current Biology</a> in December 2019, fundamentally changes our understanding of when complex forests first emerged.



Researchers believe a massive flood buried the forest floor, creating perfect fossilization conditions. Over millions of years, sediment hardened into rock, preserving these root patterns like nature's time capsule.



<h2 class="wp-block-heading" id="h-meet-archaeopteris-the-first-modern-tree">Meet Archaeopteris: the first modern tree</h2>



The star of this ancient forest is Archaeopteris – not to be confused with the feathered dinosaur Archaeopteryx. This tree was far older and more revolutionary.



William Stein from <a href="https://www.binghamton.edu/" target="_blank" rel="noreferrer noopener">Binghamton University</a> describes the roots as "strikingly modern, essentially what you'd see outside in my yard right now." These weren't simple root systems you'd expect from ancient plants.



Some fossilized roots are six inches (15 centimeters) in diameter, forming 36-foot-wide (11-meter) patterns. These giants grew up to 65 feet (20 meters) tall with five-foot-diameter (1.5-meter) trunks.



<h2 class="wp-block-heading" id="h-climate-changing-impact">Climate-changing impact</h2>



These trees fundamentally changed Earth's environment. Kevin Boyce, a Stanford University geoscientist, explains how their deep roots triggered "weathering," chemical reactions that pulled carbon dioxide from the atmosphere.



This process dropped atmospheric CO2 levels from 10-15 times higher than today to roughly modern concentrations. These ancient trees helped create atmospheric conditions that made complex life possible.



<h2 class="wp-block-heading" id="h-ancient-forest-ecosystem">Ancient forest ecosystem</h2>



The forest was remarkably diverse. Scientists identified Eospermatopteris, palm tree-like plants with short roots that reached 30 feet (9 meters) tall but lacked woody structure. The forest also housed cladoxylopsids and a mysterious third species still being studied.



All reproduced through spores rather than seeds – millions of years before seeds evolved. This tropical environment had no grass, flowers, or flying insects, just towering trees creating Earth's first complex forest canopy.



<h2 class="wp-block-heading" id="h-scientific-significance">Scientific significance</h2>



Before this finding, the Gilboa forest, located 25 miles (40 kilometers) away, held the "oldest forest" title. Cairo's trees are 2-3 million years older, showing that complex forest ecosystems developed much faster than scientists believed possible.



Patricia Gensel, a <a href="https://www.unc.edu/" target="_blank" rel="noreferrer noopener">University of North Carolina</a> paleobotanist, notes: "The size of those root systems is really changing the picture. Even 20 years ago, researchers assumed trees with such complex root systems didn't evolve so early."



The Cairo site presents three unique root systems, suggesting Devonian period forests were diverse ecosystems with different trees occupying different environmental niches, much like today's forests.



<h2 class="wp-block-heading" id="h-modern-preservation-efforts">Modern preservation efforts</h2>



In 2022, New York State Senator Michelle Hinchey secured a $170,000 grant for the town of Cairo to construct specialized fencing around the fossil forest site. The town plans to conduct a feasibility study exploring the possibility of creating an educational center and working lab on-site.



Joe Hasenkopf, chair of the Cairo Planning Board, hopes to partner with educational institutions to create a research facility serving scientists, students, and the public.



<h2 class="wp-block-heading" id="h-lessons-for-today-s-climate">Lessons for today's climate</h2>



Why does a 385-million-year-old forest matter today? It shows how dramatically forests can change Earth's climate. These ancient woodlands created the atmospheric conditions supporting complex life.



Understanding how prehistoric forests transformed the planet helps us appreciate modern forests' critical role in addressing climate change. Forests remain Earth's most effective carbon capture systems.



These prehistoric trees changed Earth's atmosphere by pulling massive amounts of carbon dioxide from the air. As we face modern climate challenges, this ancient forest reminds us of trees' incredible power to transform our planet's environment.



The next time you walk through a forest, remember you're experiencing an ecosystem whose blueprint was established 385 million years ago in upstate New York. These ancient pioneers didn't just survive – they thrived and changed the world forever.



The full study was published in the journal Current Biology.



-----



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Earth's oldest forest found in the United States

https://www.youtube.com/watch?v=Ow3JH03PqEQ New York is the site of the world's oldest...

<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://www.youtube.com/watch?v=prrq8Ql81zk
</div><figcaption class="wp-element-caption">Acid rain and a crisis solved.</figcaption></figure>



<h2 class="wp-block-heading" id="h-why-don-t-we-ever-hear-about-acid-rain-anymore-the-environmental-crisis-that-was-solved">Why don't we ever hear about "acid rain" anymore? The environmental crisis that was solved</h2>



Remember the 1980s when acid rain dominated headlines? Dire warnings about rain eating buildings, killing fish, and destroying forests filled every news cycle. Then, almost like magic, acid rain vanished from public discourse. What happened? Did we actually solve one of the late 20th century's most pressing environmental challenges?



The answer might surprise you. Unlike many environmental issues that drag on indefinitely, acid rain represents one of modern history's most successful ecological recovery stories. It's a tale of science, politics, and technology working together to tackle what seemed impossible.



<h2 class="wp-block-heading">What was acid rain?</h2>



Acid rain isn't regular rain having a bad day – it's precipitation that became significantly more acidic due to air pollution. When power plants, factories, and vehicles burn fossil fuels, they release sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere.



<h2 class="wp-block-heading">The science behind it</h2>



Think of acid rain as nature's chemistry experiment gone wrong. These compounds react with water, oxygen, and other chemicals to form sulfuric and nitric acids. When mixed with water vapor in clouds, they create precipitation with dangerously low pH levels.



While clean rain has a pH of about 5.6, acid rain could drop as low as 4.2 to 4.4 – roughly as acidic as tomato juice or coffee. According to US Geological Survey documentation, Scottish chemist Angus Smith first coined "acid rain" in 1872, but it didn't become a household phrase until the 1960s and 1970s when Swedish scientist Svante Odén documented its devastating effects on Scandinavian lakes and European forests.



<h2 class="wp-block-heading">The crisis at its peak</h2>



During the height of public concern, environmental damage was both widespread and visible. This wasn't some abstract future threat – people could see destruction happening in real-time.



<h2 class="wp-block-heading">Environmental devastation</h2>



The most dramatic impacts were impossible to ignore. Research documented by the Adirondack Lakes Survey Corporation and the New York State Department of Environmental Conservation shows that in the Adirondack Mountains, more than 200 lakes became so acidic they couldn't support fish life. The Adirondack Council reports that 409 lakes once supported brook trout, but many lost their fish populations due to acid rain.



By 1976, when scientists cataloged all acidified lakes in the Adirondack Park, researchers found that half of the lakes over 2,000 feet above sea level had no fish, according to studies published in environmental journals. The acidification process worked like a slow-motion disaster. As acid rain fell into watersheds, it gradually lowered pH levels. Fish couldn't survive in acidic water, and their food sources died off too.



Trees at high elevations showed stress directly linked to acid rain. It weakened them by leaching nutrients and making them susceptible to disease. Historical records show Germany's Black Forest saw nearly half its trees damaged by the mid-1980s.



<h2 class="wp-block-heading">Economic impact</h2>



Acid rain wasn't just environmental – it was expensive. Acidic precipitation corroded infrastructure, buildings, and monuments. Historic stone structures deteriorated at accelerated rates. Tourism suffered as lakes became fishless and forests declined. EPA economic analyses from the period documented repair costs mounting into billions annually.



<h2 class="wp-block-heading">The solution: government action and technology</h2>



Transformation from crisis to success required unprecedented cooperation between governments, industries, and environmental groups.



<h2 class="wp-block-heading">The Clean Air Act of 1990</h2>



The turning point came with the Clean Air Act Amendments of 1990, signed by President George H.W. Bush. This represented a fundamentally new approach to environmental regulation, as documented in EPA historical records.



<h2 class="wp-block-heading">Cap-and-trade success</h2>



Instead of mandating specific technologies, the 1990 amendments introduced something revolutionary: a cap-and-trade system for sulfur dioxide emissions. EPA program documentation shows this market-based approach set overall limits but allowed companies to trade emission allowances.



The genius was harnessing market forces to find cost-effective pollution reduction. Companies reducing emissions cheaply could sell excess allowances to those facing higher costs. Research published in environmental economics journals and EPA progress reports shows this resulted in dramatic SO2 reduction at a fraction of projected costs.



<h2 class="wp-block-heading">Technology advances</h2>



Policy provided the framework, but technology made reductions possible. Studies in atmospheric science journals document the widespread adoption of flue gas desulfurization systems ("scrubbers") that removed sulfur dioxide before it reached the atmosphere. By the 2000s, new installations could remove over 95% of SO2 emissions, according to EPA technical reports.



The push coincided with cleaner energy development. Natural gas produces fewer sulfur compounds than coal. Wind and solar, emerging in the 1990s, captured growing market share, reducing reliance on high-sulfur coal.



<h2 class="wp-block-heading" id="h-why-we-don-t-hear-about-it-today">Why we don't hear about it today</h2>



Why did acid rain disappear from headlines? Simple: the problem was largely solved.



<h2 class="wp-block-heading">Success doesn't make news</h2>



There's an old journalism saying: "If it bleeds, it leads." Environmental success stories don't generate urgency like crisis reporting. Media attention shifted to other challenges: climate change, plastic pollution, and biodiversity loss. There's only so much environmental anxiety the public can absorb, and newer concerns replaced acid rain.



<h2 class="wp-block-heading">Mission accomplished</h2>



The primary reason is beautifully simple: interventions worked. EPA monitoring data shows sulfur dioxide emissions dropped over 90% since 1990. Academic research published in environmental science journals confirms pH levels in formerly affected areas returned closer to normal. This represents one of history's most dramatic environmental recoveries. Studies by the Adirondack Lakes Survey Corporation show fishless lakes now support healthy populations. Forests recovered, and building damage slowed dramatically.



<h2 class="wp-block-heading" id="h-is-it-really-gone">Is it really gone?</h2>



The crisis is largely resolved, but monitoring data shows the problem isn't completely eliminated – it's managed to acceptable levels. Some areas still experience occasional events during high pollution periods. International environmental research indicates that rapidly industrializing Asian countries face similar problems to what we experienced decades ago, though they're implementing successful strategies.



EPA research shows nitrogen oxide emissions proved more challenging than sulfur dioxide, coming from vehicles and mobile sources. Climate science studies suggest changing weather patterns add complexity to how acid rain forms and falls.



<h2 class="wp-block-heading">What this teaches us</h2>



The acid rain experience proves that seemingly intractable environmental problems can be solved with scientific understanding, political will, and technological innovation. Environmental monitoring data shows recovery speed was remarkable – within a decade, measurable improvements appeared in air quality and ecosystem health.



Success came from bipartisan support across party lines. Policy analysis studies show the market-based approach appealed to those preferring economic incentives while achieving environmental goals. This support created lasting policy surviving political changes.



<h2 class="wp-block-heading">Conclusion</h2>



Acid rain's disappearance from public consciousness represents environmental science's greatest success stories. Through effective regulation, technological innovation, and international cooperation, we transformed an overwhelming crisis into a manageable challenge.



Today's silence isn't because we forgot – it's because we solved it. The 1990 Clean Air Act, combined with technology and energy market changes, reduced acid rain emissions over 90%, according to comprehensive EPA data analysis.



This success offers hope for current challenges. It proves complex problems can be solved when science, policy, and technology work together. As we face climate change and plastic pollution, acid rain reminds us that dramatic positive change is possible.



Next time someone asks whether environmental regulations work, remember acid rain. It's proof that sometimes, we get it right.



<hr class="wp-block-separator has-alpha-channel-opacity"/>



Sources: This article draws from EPA official documentation and progress reports, peer-reviewed research published in environmental and atmospheric science journals, historical data from the Adirondack Lakes Survey Corporation, New York State Department of Environmental Conservation records, US Geological Survey publications, policy analysis studies, and environmental monitoring data collected over three decades.



<h2 class="wp-block-heading">Frequently Asked Questions</h2>



1. Is acid rain completely gone? No, but EPA monitoring shows it's reduced to manageable levels. US sulfur dioxide emissions dropped over 90% since 1990, making acid rain much less severe than the 1980s crisis.



2. How long did solving take? Environmental monitoring data shows significant improvements began within 5-10 years of 1990s emission controls. Full ecosystem recovery took longer – some areas need 20-30 years for complete recovery.



3. What made the solution successful? Clear scientific understanding, visible damage motivating action, bipartisan support, available technology, and innovative market-based policies like cap-and-trade.



4. Do other countries have acid rain problems? Yes, particularly rapidly industrializing Asian countries. However, international environmental research shows many implement similar successful control strategies.



5. Could acid rain return? Potentially, if regulations weaken or we return to high-sulfur coal without controls, though effects would take years to become severe according to environmental projections.



6. Can you recommend any teaching tools on the subject of "acid rain"? The United States Environmental Protection Agency produced a wonderful teacher's guide for ages 14 and under that you can find on the EPA website here: <a href="https://www.epa.gov/sites/default/files/2017-03/documents/teachersguide.pdf" target="_blank" rel="noreferrer noopener">https://www.epa.gov/sites/default/files/2017-03/documents/teachersguide.pdf</a>



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The environmental problem we actually solved

https://www.youtube.com/watch?v=prrq8Ql81zk Acid rain and a crisis solved. Why don't we...

Fresh,Radish,Harvest,On,Soil,In,Garden.

<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://youtu.be/Fi2OeEwuzRM?si=vTyd2m9FMmtyWkex
</div></figure>







Mid-July is an opportune time to kick-start a thriving fall garden, and this guide lays out the best vegetables and herbs to plant now for a fruitful autumn harvest. 



Fast-growing leafy greens such as spinach, lettuce, kale, and arugula perform especially well in the waning summer heat, with harvests beginning as soon as 30 days. 



These cool-season crops relish the transition into fall, offering repeated yields with cut-and-come-again methods.



Root vegetables like radishes, carrots, and beets also excel during this period. Radishes deliver satisfaction in under a month, while carrots and beets mature in about two months. Employing succession planting ensures a continuous stream of produce deep into the cooler months. 



For a boost of fresh flavor, herbs like cilantro, basil, dill, and chervil are excellent picks. These heat-loving varieties flourish in July’s warmth and are harvest-ready in about 30 days, especially when sown continuously.



Gardeners in zones 6 through 9 can benefit from planting bush beans and snap peas, which don’t require trellising and are ideal for compact plots. 



Maturing in 50–60 days, they’re a smart choice for quick, protein-rich harvests. For those in hotter regions, heat-tolerant crops such as okra and southern peas provide reliable yields and thrive in scorching conditions.



This guide emphasizes more than crop selection—it highlights the importance of timing, soil preparation, and ongoing sowing techniques. 



With thoughtful planning and attention to regional climate needs, even late-summer gardeners can enjoy fresh salads, hearty stews, and the satisfaction of a robust, homegrown harvest well into fall.



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What to plant in your garden in mid-July

https://youtu.be/Fi2OeEwuzRM?si=vTyd2m9FMmtyWkex Mid-July is an opportune time to kick-start a thriving...

Green,Ecoduct,Over,An,Empty,Highway,During,Sunset.

<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://youtu.be/XYgiPzmNBTU?si=eFYY7gPHU1JznLvU
</div></figure>



A new long-term study in Monkton, Vermont, reveals that wildlife tunnels significantly reduce amphibian road mortality during seasonal migrations. 



Frogs and salamanders often cross roads to reach breeding ponds each spring, but many are killed by vehicles. 



Researchers from the <a href="https://www.uvm.edu/" target="_blank" rel="noreferrer noopener">University of Vermont</a>, in collaboration with local citizens and the Vermont Agency of Natural Resources, installed two underpass tunnels in 2015. 



Over a 12-year monitoring period, they observed an 80.2% reduction in amphibian deaths, and up to 94% for non-climbing species like salamanders. 



The study used a before-after-control-impact design and documented more than 5,200 amphibians, highlighting the tunnels’ effectiveness even in nearby buffer zones.



Funded at $342,397 - far cheaper than wildlife crossings for large mammals - the project showcased the power of community-led conservation.



Local groups initiated the effort after observing mass amphibian deaths. Wildlife cameras later captured over 2,200 amphibians using a tunnel in just one spring, along with other species like raccoons and bobcats, indicating wider ecosystem benefits.



This marks the first peer-reviewed, long-term data set in the northeastern U.S. confirming amphibian-specific underpasses work. 



The study urges transportation departments to incorporate these designs into road planning and highlights how community action, thoughtful infrastructure, and persistence can make a real difference for biodiversity.



The full study was published in the <a href="https://linkinghub.elsevier.com/retrieve/pii/S1617138125000780" target="_blank" rel="noreferrer noopener">Journal for Nature Conservation</a>.



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Wildlife tunnels save millions of amphibians

https://youtu.be/XYgiPzmNBTU?si=eFYY7gPHU1JznLvU A new long-term study in Monkton, Vermont, reveals that...

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.



<figure class="wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
https://youtu.be/Ug657J67iEo?si=w96YjGMsg939LD_3
</div></figure>



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...

<div class="wp-block-sendtonews-playerselector">[sendtonews key="0ynNMYkMKa-2340414-12187" type="single"]</div>



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

[sendtonews key="0ynNMYkMKa-2340414-12187" 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> (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



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

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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"

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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



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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

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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"

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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

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