There's a lot more to turkeys than stuffing, cranberry sauce, and gravy boats. These impressive fowl, central to our festive Thanksgiving dinner tables, are becoming increasingly elusive for hunters.



Recent research from the University of Georgia (UGA) suggests that, if hunters and their prey keep up their present patterns of behavior, we might be set for a slightly less traditional holiday spread in future.



<h2 class="wp-block-heading" id="h-turkeys-response-to-hunters">Turkeys' response to hunters</h2>



Scientists led by Nickolas Gulotta, a Ph.D. student in <a href="https://www.uga.edu" target="_blank" rel="noreferrer noopener">UGA</a>'s Warnell School of Forestry and Natural Resources, have been studying how wild turkeys change their behavior in response to the presence of hunters and predators.



The researchers tracked 109 wild male turkeys throughout wildlife conservation areas in Georgia and observed how <a href="https://www.earth.com/news/hunting-coyotes-actually-boosts-their-numbers/" target="_blank" rel="noreferrer noopener">hunters</a> and natural predators influenced their movements in what is a high-risk dance of survival.



<h2 class="wp-block-heading" id="h-brave-turkeys-are-easy-targets">Brave turkeys are easy targets</h2>



Turns out, the turkeys exhibiting daring behaviors often found themselves on the wrong end of a shotgun or in the paw of a prowling predator. 



The brave birds were frequently seen near open spaces and popular hunting trails. They loved to hang out near parked cars, make a ruckus, and strut their stuff - all of which makes them easy prey.



"If turkeys are closer to these open areas, it’s going to be easier for both a hunter and a predator to detect them. Across both study sites in general, turkeys that took more risks were more likely to be harvested," Gulotta said, painting a vivid picture.



<h2 class="wp-block-heading" id="h-turkeys-adapt-for-survival">Turkeys adapt for survival</h2>



Turkeys eventually learn from the fate of their brave, fallen brethren and start adapting to the selective pressure. They adopt less risky behaviors that make them less detectable.



This learning curve could possibly render future turkey <a href="https://www.earth.com/news/cooperative-hunting-does-not-require-complex-thinking-skills/" target="_blank" rel="noreferrer noopener">hunting</a> seasons fruitless and may require hunters to think outside the box and exercise patience.



"The turkeys closer to areas that hunters use are the ones that are harvested. So, if we continue to harvest them like that across the Southeast, there’s potential that we could shift the behavioral strategies of wild turkeys making them more difficult to harvest,” noted Gulotta.



<h2 class="wp-block-heading" id="h-a-balancing-act-for-survival">A balancing act for survival</h2>



While the turkeys that outsmart hunters during their hunting spree seem to have cracked the code to survival, they face another looming threat - natural predators. 



When the hunters are off-duty, predators take the stage, making survival a constant game of chess for these birds.



"If turkeys stay in the same area and don’t travel a lot, then they’re going to be more likely to be detected by a predator,” said Gulotta. “It’s kind of a catch-22 where if they can survive that hunting season, they’re most likely going to be fine."



<h2 class="wp-block-heading" id="h-long-term-shifts-in-turkey-behavior">Long-term shifts in turkey behavior </h2>



The game of survival is not just a matter of individual variance among turkeys. Long-term shifts in turkey behavior, driven by hunting pressure, could lead to a significant dip in hunting license sales, which would negatively impact hunter satisfaction. 



The study suggests the need for hunting strategies that reflect local conditions and take into consideration the behavioral strategies of wild turkeys.



Gulotta, along with co-authors Patrick Wightman and Michael Chamberlain from UGA’s Warnell School of Forestry and Natural Resources, and Bret Collier from<a href="https://www.lsu.edu" target="_blank" rel="noreferrer noopener"> Louisiana State University</a>, bring to light a fascinating dimension of the hunting dynamic.



Their study, recently published in the journal Royal Society Open Science, is a wake-up call to refine the hunter-prey dance in a way that ensures a steady supply of <a href="https://www.earth.com/news/we-often-undervalue-the-most-meaningful-experiences-in-life/" target="_blank" rel="noreferrer noopener">Thanksgiving</a>'s mainstay for future holiday feasts.



<h2 class="wp-block-heading" id="h-practices-to-reduce-hunting-pressure">Practices to reduce hunting pressure</h2>



To mitigate the unintended consequences of behavioral adaptation in turkeys, wildlife management and conservation strategies must also change.



One potential approach includes implementing rotational hunting areas to reduce hunting pressure in specific regions. This method could give turkey populations the chance to recover and exhibit a natural range of behaviors without ongoing disturbance.



Additionally, better education for hunters on ethical practices and sustainable hunting can foster an equilibrium between hunting traditions and the long-term survival of wild turkeys. 



By understanding the delicate interplay between pressure and adaptation, conservationists and hunters can work together to ensure both the preservation of the species and the continuation of cherished holiday traditions.



<h2 class="wp-block-heading" id="h-human-impacts-on-wildlife">Human impacts on wildlife</h2>



The findings from this study extend beyond turkeys and hunters, offering valuable insights into broader patterns of human-wildlife interaction. Humans affect wildlife populations not only through hunting but also through urbanization, agriculture, and recreational activities. 



Behavioral shifts, such as avoiding high-risk areas or becoming nocturnal, are a common survival tactic among various species. 



However, these shifts may alter ecosystems in unpredictable ways, influencing species interactions, predator-prey dynamics, and habitat use. 



By studying these patterns, researchers can develop strategies that promote coexistence and maintain biodiversity while allowing for sustainable human activities in shared environments. 



<h2 class="wp-block-heading" id="h-the-future-of-turkey-hunting">The future of turkey hunting</h2>



The research on wild turkey illustrates the balance needed to harmonize human and natural worlds.



The future of turkey hunting might be headed toward an interesting crossroad. It's a tale of survival, adaptation, and the ever-evolving game of hide and seek between humans and turkeys.



As hunters, and turkey fans at large, it's time for us to help protect our feathered friends or risk seeing a turkey-less Thanksgiving table. 



The study is published in the journal <a href="https://royalsocietypublishing.org/doi/10.1098/rsos.240788" target="_blank" rel="noreferrer noopener">Royal Society Open Science</a>.



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Wild turkeys are becoming hard to find as they learn to outsmart hunters

There's a lot more to turkeys than stuffing, cranberry sauce, and gravy boats. These impressive fowl, central to our festive Thanksgiving dinner tables, are becoming increasingly elusive for hunters. Recent research from the University of Georgia (UGA) suggests that, if hunters and their prey keep up their present patterns of behavior, we might be set for a slightly less traditional holiday spread in future. Turkeys' response to hunters Scientists led by Nickolas Gulotta, a Ph.D. student in UGA's Warnell School of Forestry and Natural Resources, have been...

Humans are simply obsessed with putting animals in front of the mirror. We dance around with our cats in order to show them their reflections. We laugh and film YouTube fodder when our puppy discovers its reflection for the first time and becomes adorably ferocious about it. 

It seems that scientists are obsessed with showing animals their own reflections, as well. However, their experiments with nonhumans and reflective surfaces serve more of a purpose than creating viral videos. They’re actually learning about animals and self-awareness. 

A recent study, for example, found that while rhesus <a href="http://www.earth.com/news/female-monkeys-prefer-males-take-action/">monkeys</a> can use a mirror to find food objects, they aren’t typically aware of their own reflections. This awareness is known as mirror self-recognition (MSR). Scientists wondered: if monkeys don’t naturally display MSR, is it a skill they can be taught? 

To test this out, Mu-ming Poo, a neurobiologist at the<a href="http://english.sibs.cas.cn"> Shanghai Institutes for Biological Sciences</a> used laser pointers and mirrors to see if they could make the monkeys aware of their own reflections. 

In the experiment, scientists placed the monkeys in specially-designed chairs in front of large mirrors. Devices with soft rubber balls attached were used to hold the monkeys’ heads in place so that they’d look towards the mirror. Then, the research team shined a laser pointer at different places: on the boards holding the chair contraption in place, as well as on the rubber balls.

Whenever the monkey touched the location of the light, they were rewarded with a tasty treat. After a few weeks of this kind of training, scientists expanded the possible locations of the laser light pinpoints to include the monkey’s face.

The monkeys continued to respond to the laser pointer, successfully locating the dot when it appeared on their faces. They all passed the standard face mark test for MSR and were able to perform the tasks both in the chair and when returned to their cages.

What does this test mean for monkey mirror recognition? “The monkey has to learn that the hand in the mirror is his own hand. And he has to learn how to control it precisely by watching it in the mirror,” Poo explained to the journal<a href="http://science.sciencemag.org"> Science</a>. “That’s the key.”

The findings were published in the<a href="http://www.pnas.org"> Proceedings of the National Academy of Sciences</a>. 

--

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer 

Source: Mu-ming Poo,<a href="http://english.sibs.cas.cn"> Shanghai Institutes for Biological Sciences</a>

Peek-a-boo! Monkeys can recognize themselves in the mirror

Humans are simply obsessed with putting animals in front of...

When protesters try to prevent a construction project from moving forward, they employ all sorts of creative methods. They gather in huge crowds to chant, sing, and shout down developers. They unfurl huge banners to get their message out. Sometimes they even chain or handcuff themselves to construction equipment to bring operations to a screeching halt. Now, critics of a high-pressure Ohio gas pipeline slated to be constructed across the northern half of the state are receiving some unexpected help from the animal world. It may be that giant bulldozers and big money are no match for a tiny, furry bat that dwells in the area. 

The northern long-eared bat lives in caves and trees throughout the route that has been proposed for the NEXUS pipeline. The developers of the NEXUS – Spectra Energy and DTE Energy – were successfully able to argue against pipeline opponents’ suggestions that the project should be rerouted through less populated areas that don’t bring it near homes and businesses. The Federal Energy Regulatory Commission shot those arguments down, saying that the current proposed pipeline route doesn’t pose any environmental problems.

The <a href="http://www.earth.com/news/wild-boars-vampire-bats-rabies-oh/">bats</a>, however, create a new problem for developers, as these tiny creatures are classified as a threatened species. Their status prevents construction crews from chopping down trees in the bats’ habitat area between April 1 and September 30. 

This could create a huge delay for the NEXUS project, as it’s scheduled to be completed and begin delivering gas later this year. 

John Medina, a resident of Medina County, is on the forefront of the fight to keep the pipeline from being constructed along the current route. He and other property owners worry about the potential danger of having a pipeline with explosive natural gas running so close to their backyards and businesses. 

They hope that the bats will throw a serious wrench in the planned Ohio gas pipeline. 

"Time is our friend and their foe,” Medina told the<a href="https://www.ap.org/en-us/"> Associated Press</a>. 

--

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer

Image: AP/<a href="http://bigstory.ap.org/62bd407ff5144afb85a219dece58b5b2">Tony Dejak</a>

Ohio gas pipeline may be halted by a tiny bat species

When protesters try to prevent a construction project from moving...

For the first time, the <a href="https://www.iucn.org/">International Union for Conservation of Nature</a> conducted a survey of all of the cricket and grasshopper species in Europe. The survey turned up some bad news for people who love the soothing sound of cricket song.

“Europe’s rapidly changing landscape is affecting many species, including insects we are so familiar with, such as crickets and grasshoppers,” said Jean-Christophe Vié, Deputy Director of the IUCN Global Species Programme, in the organization’s announcement.

Europe has more than 1,000 species of crickets and grasshoppers. About a quarter of them are at risk of extinction, the IUCN said.

The two-year study was funded by the <a href="http://ec.europa.eu/index_en.htm">European Commission</a>, and more than 150 entomologists and other experts joined the count.

Agricultural practices are one factor in the demise of crickets in Europe, the IUCN found. This includes the loss of grasslands to crops, overgrazing, frequent mowing, the use of fertilizers, and the use of heavy machinery, the agency said.

Another factor is more frequent and intense wildfires in recent years. This is a larger problem in southern Europe, especially in places like Greece and the Canary Islands, the IUCN said.

Some of the crickets and grasshoppers are also losing habitat to tourism-related development, especially in coastal areas, the IUCN said.

The problem goes beyond waning cricket song. Many cricket and grasshopper species are a key part of the food chain in Europe, the scientists said. Birds and reptiles rely on them, and if the insects go extinct, it could disrupt entire ecosystems.

“To bring these species back from the brink of extinction, more needs to be done to protect and restore their habitats,” Vié said. “This can be done through sustainable grassland management using traditional agricultural practices, for example.”

The IUCN suggested that countries create monitoring and management programs to protect the insects. France is already implementing a conservation plan for its critically endangered Crau plains grasshopper, the agency noted.

Monitoring programs could give an on-the-ground look at population trends and more quickly identify species on the verge of dying out.

“If we do not act now, the sound of crickets in European grasslands could soon become a thing of the past,” Vié said.

— 

By Kyla Cathey / Earth.com staff writer

Cricket song could go silent without action, IUCN says

For the first time, the International Union for Conservation of...

The first rule of Monkey Fight Club is that you do not talk about Monkey Fight Club. Monkey fights that start out as one or two primates throwing punches can often escalate into an all-out brawl involving the majority of the adults in the group. 

Researchers wondered: when a small fight breaks out, how many <a href="http://www.earth.com/news/baboons-math-abilities-par-kids/">monkeys</a> need to get involved to interrupt the system of things? What is the critical point at which the social regime totally upends? 

To get answers, scientists had to enter Monkey Fight Club – sort of. Bryan Daniels of the<a href="https://complexity.asu.edu/asu-sfi-center-biosocial-complex-systems"> ASU-SFI Center for Biosocial Complex Systems</a> and David Krakauer and Jessica Flack of the<a href="https://www.santafe.edu"> Santa Fe Institute</a> looked to ideas and models from statistical mechanics to analyze conflict behavior among monkeys to determine the critical point at which breakdown occurs. 

According to Daniels, "agitating four or five individuals at a time can cause the system to destabilize and huge fights to break out.” This isn’t an exact formula, however, as individual monkeys make distinct contributions to the overall sensitivity of the group. This means that depending on individual actions, the group may be more easily controlled or more likely to descend into madness. 

If more stable members of the group can break up ongoing monkey fights, the group will settle down and move away from the critical point. However, if other members of the group can target the influential members and rile them up, the group will go hurtling towards the critical point. 

Group sensitivity isn’t always a negative thing, as it can help animal societies better survive. For instance, it helps an animal such as a fish quickly shift from foraging for food into escape mode when threatened. 

Scientists would like to find out if an animal’s environment affects their overall sensitivity and distance from the critical point. 

“I think we’ve just scratched the surface,” said Daniels.

The team’s findings were published in the journal<a href="http://www.nature.com/ncomms/"> Nature Communications</a>. 

--

By Dawn Henderson, <a href="http://earth.com">Earth.com</a> Staff Writer 

Source: Bryan Daniels,<a href="https://complexity.asu.edu/asu-sfi-center-biosocial-complex-systems"> ASU-SFI Center for Biosocial Complex Systems</a>

David Krakauer, Jessica Flack,<a href="https://www.santafe.edu"> Santa Fe Institute</a>

What do monkey fights tell us about animal society structure?

The first rule of Monkey Fight Club is that you...

A horrible scene is unfolding on a remote <a href="http://www.earth.com/image/new-zealand-earthquake-exposes-land-kaikoura/">New Zealand</a> beach: 400 pilot whales have stranded themselves for reasons unknown to experts. 

As rescuers are frantically working to save them, the whale rescue organization Project Jonah reports that over 300 of the creatures have died. In a Facebook post on Friday, the organization said that rescue efforts will focus on “refloating” the 100 surviving whales as soon as the tide comes in. 

When the mass beaching was discovered, conservationists sounded the alarm, asking volunteers to help save the distressed marine mammals. People from around the country – including a team of approximately 30 trained whale medics – traveled to Farewell Spit, a beach on New Zealand’s South Island. 

Volunteers formed a human chain and worked to keep the whales hydrated and alive while waiting for high tide. Once the water moves back in, stranded whales can be “floated” back into the water so that they may swim away. Dragging a beached whale back into the water can seriously injure it, so rescuers have had to be diligent and very patient. 

The stranding on the beach in Golden Bay is the largest incident of its type in recent years. The largest whale stranding on record happened in 1918. Then, 1,000 whales beached themselves on the Chatham Islands in New Zealand. 

The last mass whale stranding in New Zealand happened in 2015. Then, nearly 200 whales came ashore – and in the exact same area. Farewell Spit has earned a reputation as the country’s most dangerous “whale trap.” In the 2015 stranding, rescuers were able to save nearly 60 of the creatures.

Pilot whales are black or dark grey in color and are the second-largest in the dolphin species after the orca, or killer whale. They are the most frequently stranded whale because they travel in large pods.

--

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer 

Photo: <a href="http://www.dailymail.co.uk/news/article-4209902/Hundreds-whales-stranded-New-Zealand-beach.html">AP</a>

Mass whale stranding sends rescuers scrambling in New Zealand

A horrible scene is unfolding on a remote New Zealand...

<a href="http://www.earth.com/video/french-bulldogs-craze/">Doggy </a>emotions may mirror their owners. It’s common pet owner folklore that after many years together, people begin to resemble their dogs – or is it vice versa?

While the <a href="http://www.earth.com/news/end-era-ringling-bros-circus-will-shut/">pet</a>/owner resemblance myth may not be scientific fact, researchers have uncovered an amazing connection between owners and their dogs. It turns out that over time, your furry friend may begin to take on your personality.

If your dog is anxious and behaves in a negative manner, look in the mirror. Could it be that he’s taking after you? The same goes if your pup is easygoing and friendly. She’s simply mimicking your emotions. 

To find this out, researchers tested over 100 dogs and their owners. They analyzed them inside and out, measuring their heart rates, how they respond to threats, and even taking saliva samples to check cortisol levels. Cortisol is a chemical that the body releases in response to stress. 

The doggie-owner pairs also underwent personality testing that covered five major areas: conscientiousness, openness to experience, agreeableness, extraversion, and neuroticism. Because the canine participants weren’t able to vocally respond to researchers’ questions, their owners provided personality info on their pets via a questionnaire. 

The result? Dogs definitely reflect their owners’ personalities and emotional states. Since they’ve lived with us for more than 30,000 years, dogs have had to adapt in order to tune into our emotions and modify their behavior to suit. 

Iris Schoberl of the<a href="https://www.univie.ac.at/en/"> University of Vienna</a> said that the personality influence goes both ways and dogs can influence humans, as well. However, the human in the pair is the more influential of the two.

In an interview with BBC News, she said, ”Our results nicely fit to experience from practice: owners and dogs are social dyads [a group of two], and they influence each other's stress coping.”

Dog owners and their pets can read more about this doggy emotions research in the journal<a href="http://journals.plos.org/plosone/"> PLOS ONE</a>.

–

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer

Source: Iris Schoberl,<a href="https://www.univie.ac.at/en/"> University of Vienna</a>

&nbsp;

Dogs' emotions may mirror our own

Doggy emotions may mirror their owners. It’s common pet owner...

There’s been an explosion in the rate of rhino <a href="http://www.earth.com/news/asian-lion-bone-market-poaching/">poaching</a> recently, driving numbers of the beasts down to levels of near-extinction. They’re not hunted for their hides or their meat, like some animals. Black rhinos are hunted for their horns. 

Commonly used in Chinese medicine, rhino horns are a hot commodity. People grind the horns into powders that are used for illnesses such as fever and rheumatism. Rhino horns are also popularly used as dagger handles in Yemen.

Lately, their price has soared – they’re currently being sold for $65,000 a kilo. That means that if a hunter poaches a rhino, its two horns (which typically weigh around 6.6 lb.) are worth roughly $191,000. 

Higher prices mean more hunting, which has led to a plummeting rhino population. In addition to fewer overall black rhinos, researchers are noticing a narrower range of genes. For instance, 44 out of 64 genetic rhino lineages have disappeared completely. 

Researchers like Professor Mike Bruford of<a href="http://www.cardiff.ac.uk"> Cardiff University</a> say that unless conservation efforts are undertaken, the future is “bleak” for the black rhino. He was shaken by the team’s findings, which were published in<a href="http://www.nature.com/srep/"> Scientific Reports</a>. 

“The magnitude of this loss in genetic diversity really did surprise us – we did not expect it to be so profound,” he said. “The decline in the species’ genetic diversity threatens to compromise its potential to adapt in the future as the climate and African landscape changes.”

The team took DNA samples from various rhinos in order to perform DNA profiling and determine genetic diversity among the rhino populations. They hope that in addition to monitoring the dropping numbers, their research will help develop effective strategies for conservation. 

“The new genetic data we have collected will allow us to identify populations of priority for conservation,” Bruford said, “giving us a better chance of preventing the species from total extinction.”

--

By Dawn Henderson, <a href="http://earth.com">Earth.com</a> Staff Writer
Source: Mike Bruford, <a href="http://www.cardiff.ac.uk">Cardiff University</a>

Hunted for their horns, black rhinos nearing extinction

There’s been an explosion in the rate of rhino poaching...

When three tiger cubs are suddenly orphaned and are suspicious of humans, how do you go about feeding them?

With a stuffed <a href="http://www.earth.com/news/long-extinct-tiger-reintroduced/">tiger</a> toy, of course!  That’s what park rangers at India’s Bandhavharh Tiger Reserve did when they took in three tiny cubs last month. The cubs were in critical condition when they were found – and the situation only got worse when they refused to eat the food provided by human caretakers. 

"We tried to give them goats' milk initially but they didn't like the human interaction. They just refused to take the bottle from our staff," said Mridul Pathak, an employee at the reserve, said to<a href="https://www.afp.com/en/news-hub"> AFP</a>. 

Their solution? Hide milk bottles inside a stuffed “mother” tigress. Much to their caretakers’ relief, the tiger cubs happily latched on and started feeding. 

"Now they have been feeding from the synthetic nipples attached to the dummy for six days,” Pathak said. “Their energy levels increased from the first feed.”

While the rangers’ solution was a novel one for tigers, dummy “calves” are often placed near cows and buffaloes in India when they stop lactating. The closeness of a “little one” often encourages the mother to resume milk production to feed her real calves. 

Mealtime wasn’t the only thing that forest rangers worked to make more authentic for the cubs. They also built a special enclosure filled with twigs, sand, and grass in order to make it feel like a natural tiger habitat. Caretakers even went the extra mile and rubbed real tiger feces on the stuffed toy, as well as in the grass in the enclosure. They hoped this would make the cubs feel more at home. 

In January, the body of the cubs’ mother was found near a river. Rangers believe that she may have brushed against an electric fence guarding a nearby cattle farm. 

More than half of the world’s tiger population lives in India, where their numbers are currently around 2,200. They are targets for poachers, however, and at least 98 tigers died last year. 

--
By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer

Image: <a href="http://nr.news-republic.com/Web/ArticleWeb.aspx?regionid=1&amp;articleid=85483806&amp;source=digest&amp;tagid=16973&amp;tagname=Science">AFP</a>

Stuffed toy helps three orphaned tiger cubs at mealtime

When three tiger cubs are suddenly orphaned and are suspicious...

The bald eagle has been the U.S. national emblem for over 200 years, chosen because of its immense strength, majesty, and longevity. It’s understandable, then, that Americans become distressed at seeing one of these beautiful creatures harmed in any way. 

This was the case on Sunday when a photographer noticed a bald eagle with a leg hold trap attached to its foot.

Photographer Susan Boardman observed the bald eagle moving around on the ground in the woods in Bonneauville, Pennsylvania. She noticed that the bird seemed to be struggling before she saw the leg trap, which was attached to a long chain. Although it had trouble getting off the ground, the eagle managed to fly away, trap in tow. 

Leg hold traps are used to catch fur-bearing animals such as foxes, <a href="http://www.earth.com/news/grizzly-bear-wolves-dinner/">wolves</a>, raccoons, and bobcats. They are supposed to be placed in such a manner that the bait isn’t visible from the air. 

Wildlife rehabilitators and bird-welfare volunteers have sounded the alarm and are on the lookout for the unfortunate bird. Large birds of prey can be dangerous to people who aren’t trained in handling them, so experts urge caution to anyone who may spot the eagle. 

“There’s really not much the average person can do,” wildlife rehabilitator Wendy Ebersole told the<a href="http://www.yorkdispatch.com"> York Dispatch</a>. “Obviously, no one should try to handle the bird.”

She worries that if the bird can’t be located and the trap removed in a timely manner, the bird won’t survive. Eagles need the use of their talons in order to catch food, eat, and defend themselves from predators, she said.  

Boardman agrees. In an e-mail to the <a href="https://www.ap.org/en-us/">Associated Press</a>, she said, "Without intervention, this eagle will probably die. He can't hunt or fly high enough to get out of harm's way. It was heartbreaking to see him like this.”

--

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer 

Image: Susan Boardman, <a href="http://bigstory.ap.org/article/4631baf1ce3d4b21937637c05af0d381/concern-grows-bald-eagle-leg-trap-attached-foot">AP</a>

Wildlife experts concerned about bald eagle caught in leg trap

The bald eagle has been the U.S. national emblem for...

After the <a href="https://www.usa.gov/federal-agencies/u-s-department-of-agriculture">U.S. Department of Agriculture</a> pulled public animal welfare data from its website, the <a href="http://www.humanesociety.org">Humane Society of the United States</a> is threatening a lawsuit.

The government website had previously featured access to a public database of animal welfare records from circuses, zoos, research <a href="http://www.earth.com/news/lab-chip-costs-penny/">labs</a>, dog breeders, and other animal-related operations throughout the country. Potential dog adopters were able to access the website to check out individual dog breeders to ensure that they were purchasing from a facility that was free of violations. 

Now, all of that information has disappeared, available only via a request through the Freedom of Information Act. 

The Humane Society is fighting back. “We intend to sue them unless they take remedial action here,” Wayne Pacelle, the President and CEO of the Humane Society said in interview with<a href="http://www.apple.com"> TIME</a>. 

Animal rights advocates are concerned that without the public keeping an eye on violations, many breeders and animal handlers won’t be as concerned with compliance with animal welfare laws. The reason behind the removal of the information is concerning to animal rights organizations. 

“It’s going to impact every species of animals,” explained Elizabeth Oreck. She handles puppy mill initiatives for<a href="http://bestfriends.org"> Best Friends Animal Society</a>. “There shouldn’t be any reason to hide inspection reports for a dog breeding facility or a research lab. There shouldn’t be any need to keep from the public how many animals you have [in] your facility or whether or not you’re complying with care standards. That alone is a big red flag for everybody,” she said. 

The USDA cited “privacy rights” in a statement about the disappearance of the information. “APHIS is implementing actions to remove documents it posts on APHIS’ website involving the Horse Protection Act and the Animal Welfare Act that contain personal information,” it said. 

“Going forward, APHIS will remove from its website inspection reports, regulatory correspondence, research facility annual reports, and enforcement records that have not received final adjudication.”

Oreck says that the removal of the information has inspired advocates to fight even harder for animal welfare and safety. 

--

By Dawn Henderson, <a href="http://www.earth.com">Earth.com</a> Staff Writer

Claws out, Humane Society threatens suit over animal welfare data

After the U.S. Department of Agriculture pulled public animal welfare...

Snakes peel their skin off to grow larger. Humans get skin peels to look younger. When a fish-scale gecko sheds its scales, it’s not for growth or vanity – it’s a matter of survival. We’re all familiar with <a href="http://www.earth.com/news/climate-change-causing-bearded-dragon-lizards-to-change-their-sex-2/">lizards</a> who shed their tails and run away to escape predators. Fish scale geckos up the ante by shedding their scales when they’re grabbed. But a newly-discovered gecko species, the Geckolepis megalepis possesses the largest scales of any gecko. 

The gecko's scales are attached to a structure that tears away quite easily. This leaves would-be hunters disappointed when their prey disappears, leaving nothing but a sheath of scales as a memento.

While other geckos may also be able to lose scales when confronted with danger, Geckolepis are built to do so. They can eject their scales actively if they’re gently touched. Another factor that separates them from other gecko species? Geckolepis can grow their scales back quickly with no scarring. (Is it just us, or does that sound like a bizarre, gecko plastic surgery advertisement? “Totally non-invasive scale-shedding with little to no scarring!”)

A survival trait that’s a boon to fish-scale geckos is a problem for scientists who wish to study them. How do you catch and effectively study a gecko that blasts its skin off at the slightest provocation? The current, scientifically-approved method is highly technical and detailed and… All right. Scientists simply lure them into plastic bags to get a closer look. 

The constant loss of their scales make Geckolepis a tricky species to study. Most geckos can be identified by their scale patterns, but those change as scales are lost and regrown, making fish-scale geckos “a nightmare to identify,” according to Mark D. Scherz of the<a href="https://www.en.uni-muenchen.de/index.html"> Ludwig Maximilian University of Munich</a> and<a href="http://www.zsm.mwn.de"> Zoologische Staatssammlung München</a>. 

Scientists have begun using micro-CT scans to find identifying features on the skeletons of the captured geckos. 

Findings from the new study were published in the journal <a href="https://peerj.com">PeerJ</a>. 

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer 

Source: Mark D. Scherz,<a href="https://www.en.uni-muenchen.de/index.html"> Ludwig Maximilian University of Munich</a>,<a href="http://www.zsm.mwn.de"> Zoologische Staatssammlung München</a>

New gecko species sheds scales for a speedy getaway

Snakes peel their skin off to grow larger. Humans get...

The animal world is full of miraculous pets who defy all odds to move beyond various disabilities and lead full and fabulous furry lives. Among them is <a href="https://www.facebook.com/Turbo.roo/">TurboRoo</a>, the two-legged chihuahua who was born without his two front legs. Turbo’s owners had amazing wheels designed to help him get around and he’s even started a #Nublife movement to show that “handicapable” animals deserve a chance, too. Now, a cat from Bulgaria is joining the miracle pet menagerie sporting brand new bionic legs.

When Pooh, a stray black-and-white cat, wandered into the path of a vehicle and was hit, his back legs were destroyed and his future seemed uncertain. Enter Vladislav Zlatinov, a veterinary surgeon extraordinaire who studied reports in scientific journals in order to design a set of custom-built bionic back legs for Pooh.

Most dog and cat amputees get a set of wheels attached to a sort of cart, but Slatinov felt that legs would be a more fitting solution for the fluffy <a href="http://www.earth.com/news/cats-just-smart-dogs-thank-much/">feline</a>. 

While Pooh recovered from his accident, Zlatinov got to work on his creation. Since there are no custom implants for cats currently on the market, he had to start completely from scratch on the design – and wait for Pooh to recover for an entire six weeks before testing them out.

How does Pooh get around on his new legs? Just fine! They’re made of titanium that is implanted into his body, with the external prostheses being interchangeable like shoes. Pooh is adjusting to his new legs and works hard at bathing them and keeping them clean, just like the rest of his body. 

Meanwhile, Zlatinov is continuing his amazing work, providing bionic legs for three more cats. There are other hopefuls on a waiting list. 

If you thought that birth defects and accidents that deprive a pet of its limbs always spells tragedy, hopefully this story has given you reason for paws! 

--

By Dawn Henderson,<a href="http://earth.com"> Earth.com</a> Staff Writer 

Image: <a href="http://bigstory.ap.org/cd6116f6650b4924bee63473b97c99d6">AP</a>

Pooh the cat walks tall on new bionic legs

The animal world is full of miraculous pets who defy...

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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

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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



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?

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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

[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"

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



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



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



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



Video Credit: NASA Goddard&nbsp;



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



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

Satellites reveal how Earth's systems are interconnected

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

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



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



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



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



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



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



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



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

Tiger sharks are shifting poleward as temperatures rise

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

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



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



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



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



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



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



Video Credit: ESA&nbsp;



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



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

Melt ponds on the Greenland Ice Sheet

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

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



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



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



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



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



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



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



Video Credit: ESA



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



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

The history of Mars is much more complex than we thought

[sendtonews key="qas3EhyI0Y-2220951-12187" 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.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

[sendtonews key="vpljfR2VBX-2560867-12187" type="single"] Today's Video of the Day from the...

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Today’s Video of the Day from <a href="https://earthobservatory.nasa.gov/">NASA Earth Observatory</a> 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

[sendtonews key="MHyhtebibJ-2200368-12187" type="single"] Today’s Video of the Day from NASA...

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Today’s Video of the Day from the <a href="https://www.esa.int/">European Space Agency</a> describes why satellite images and measurements of our planet have become "essential to our survival, offering a new outlook of our world."&nbsp;



Rising sea levels pose one of the biggest societal threats associated with climate change. According to ESA, satellite altimeter missions such as Copernicus Sentinel-6 are essential in monitoring global and regional changes in sea level.



"Unbeknown to many, the island of Crete, Greece, plays an important role in the Copernicus satellite altimetry constellation and on an international stage," reports ESA.



"Satellite altimetry data have to be continuously monitored at the ESA’s Permanent Facility for Altimetry Calibration where different techniques have pioneered the use of transponders to provide the best measurements to validate satellite altimeters in space soon after launch."



Dr. Craig Donlon explains that, by understanding planet Earth through satellite measurements, we are able to find evidence of change.&nbsp;



Video Credit: European Space Agency&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

Satellites have become essential to our survival

[sendtonews key="761m2QQvR1-2035772-12187" type="single"] Today’s Video of the Day from the...