Marriage or long-term relationships often seem like the societal norm. However, a growing number of people choose to remain single for life. While singlehood offers independence and freedom, it may also pose challenges, especially in later years.&nbsp;



A new study published in the journal Psychological Science takes a deep look at people who have stayed single their whole lives, revealing important differences in both their life satisfaction and personality traits compared to those in relationships.



The study was led by Dr. Julia Stern, a senior researcher at the University of Bremen in Germany.



Her team analyzed data from over 77,000 Europeans aged 50 and above, making it the first research of its kind to examine lifelong singles across different cultures.



<h2 class="wp-block-heading" id="h-single-life-more-than-just-relationship-status">Single life: More than just relationship status</h2>



The research team didn't just look at who was currently single. They dug deeper, creating different categories: people who never lived with a partner, those who never married, and those who never had any long-term relationship.



This detailed approach revealed something fascinating - people who had never been in a serious relationship showed lower scores in extraversion, openness, and life satisfaction compared to those who were currently single but had previous <a href="https://www.earth.com/news/people-with-power-are-more-likely-to-cheat-on-their-partners/" target="_blank" rel="noreferrer noopener">relationship experience</a>.



<h2 class="wp-block-heading" id="h-cultural-context-matters">Cultural context matters</h2>



Your location as a single person can influence your life satisfaction. The study revealed that in countries with higher marriage rates, especially in southern Europe, single individuals tended to feel <a href="https://www.earth.com/news/social-rejection-teaches-us-valuable-lessons-about-relationships/" target="_blank" rel="noreferrer noopener">less satisfied</a> with their lives.



This suggests that societal expectations around marriage might intensify feelings of isolation or inadequacy for singles in these regions. 



Surprisingly, the level of religiosity in a country didn’t significantly impact the life satisfaction of single people. This indicates that cultural norms about relationships play a more prominent role than religious influences in shaping their well-being.



<h2 class="wp-block-heading" id="h-age-and-gender-of-singles">Age and gender of singles</h2>



Here's a silver lining for older singles - the research found that they tend to be happier with their single status compared to middle-aged singles. 



Women who were single also reported higher life satisfaction than single men. 



Dr. Stern suggests that older singles might find more peace with their status once they're past the age where their peers are actively starting families and <a href="https://www.earth.com/news/making-a-partner-jealous-hurts-relationships-much-more-often-than-it-helps/" target="_blank" rel="noreferrer noopener">getting married</a>.



<h2 class="wp-block-heading" id="h-personality-differences-in-single-people">Personality differences in single people</h2>



One big question emerges: do certain personality types lead people to stay single, or does being single shape personality? The evidence points to the former. 



"It's more likely you have these selection effects: For example, people who are more extraverted are more likely to enter a relationship," explained Dr. Stern.



However, she emphasizes that these are average effects and don't apply to everyone - you'll find plenty of single extroverts and partnered introverts out there.



<h2 class="wp-block-heading" id="h-single-people-report-lower-life-satisfaction">Single people report lower life satisfaction</h2>



The study's findings highlight significant health implications. 



Research has shown that life satisfaction and personality traits like extraversion and conscientiousness strongly influence health outcomes and even mortality. Individuals with higher levels of these traits tend to experience better physical and <a href="https://www.earth.com/news/self-compassion-enhances-relationship-satisfaction/" target="_blank" rel="noreferrer noopener">mental health</a>.



As people age and their reliance on support networks grows, these connections become even more critical. 



<h2 class="wp-block-heading" id="h-addressing-the-needs-of-older-singles">Addressing the needs of older singles</h2>



Lifelong singles, who often score lower on these traits and life satisfaction, may face heightened health risks. This emphasizes the importance of addressing their specific needs to promote healthier aging and overall well-being.



"When there are differences, they might be especially important in elderly people who face more health issues and financial issues," noted Dr. Stern. "They need more help, and the help is usually the partner."



This research highlights the need for better support systems for single people, especially as they age. Dr. Stern advocates for developing new programs that consider personality differences and help older singles connect with like-minded individuals. 



"If they have people who care for them or look out for them regularly, this might help," said Dr. Stern.



<h2 class="wp-block-heading" id="h-supporting-single-people">Supporting single people</h2>



As more people choose to live single lives, society needs to adapt. This research doesn't just highlight differences between singles and partnered individuals - it points to the urgent need for support systems that work for everyone, regardless of relationship status.



The findings call for creative solutions that go beyond the traditional family-centered approach to care and support. 



Whether through community programs, social networks, or healthcare systems, we need to ensure that single individuals have access to the same level of support and care that partnered people often receive through their relationships.



This research from <a href="https://www.uni-bremen.de/en/" target="_blank" rel="noreferrer noopener">University of Bremen</a> marks an important step toward understanding and addressing the unique challenges faced by lifelong singles. As our society continues to <a href="https://www.earth.com/news/where-does-love-live-in-the-brain/" target="_blank" rel="noreferrer noopener">evolve</a>, these insights could help shape more inclusive support systems that serve everyone, regardless of their relationship status.



The study is published in the journal <a href="https://journals.sagepub.com/doi/10.1177/09567976241286865" target="_blank" rel="noreferrer noopener">Psychological Science</a>.



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Why do some people stay single their whole lives?

Marriage or long-term relationships often seem like the societal norm. However, a growing number of people choose to remain single for life. While singlehood offers independence and freedom, it may also pose challenges, especially in later years.&nbsp; A new study published in the journal Psychological Science takes a deep look at people who have stayed single their whole lives, revealing important differences in both their life satisfaction and personality traits compared to those in relationships. The study was led by Dr. Julia Stern, a senior researcher at...

With the holiday season upon us, it’s easy to let our daily routines slip a little. If haven’t had a chance to check out <a href="http://www.earth.com/">Earth.com</a> and <a href="http://www.greenatom.earth/">GreenAtom.earth</a> over the past few days, here are five top stories you should be sure not to miss:
<ol>
 	<li><a href="http://www.earth.com/news/cereal-cropping/">Scientists identify most environmentally friendly cereal cropping process</a>: A research team from Denmark found that how grain crops are grown and harvested can have an effect on the environment, and identified the methods and crops that cause less damage.</li>
</ol>
<ol start="2">
 	<li><a href="http://www.earth.com/news/soil-science-helps-boost-agriculture/">Soil science helps boost agricultural success</a>: Two scientists have developed a set of equations that will help farmers, land managers and others determine what a patch of soil can best be used for.</li>
</ol>
<ol start="3">
 	<li><a href="http://www.earth.com/news/saltmarsh-sparrow-may-go-exctinct/">Saltmarsh sparrow may be extinct within 50 years</a>: The at-risk species could be the first bird species to go extinct in the continental United States since 1931. </li>
</ol>
<ol start="4">
 	<li><a href="http://www.greenatom.earth/news/phytoplankton-a-new-sustainable-food-and-fuel-source/">Scientists see phytoplankton as a new sustainable food and fuel source</a>: Lipids from the microscopic marine plant can be removed and used for fuel. The leftovers from this process are a highly nutritious biomass, scientists said.</li>
</ol>
<ol start="5">
 	<li><a href="http://www.earth.com/news/australasian-marsupials-climate-change/">Australasian marsupials survived ancient climate change</a>: As the climate became drier and rainforests dried out five to 10 million years ago, Australian marsupials survived the shift by adapting to the new grasslands, scientists said.</li>
</ol>
---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

This week's top stories from Earth.com

With the holiday season upon us, it’s easy to let...

When it comes to solar energy, most research and development funding goes into the standard silicon solar cells – and that needs to change, some researchers say.

Yet if solar cells could be made thin and flexible enough to print, they could be mass-produced quickly and easily, said Dr. Yi-Bing Cheng of <a href="http://www.monash.edu/">Monash University</a>. He believes more research should be focused on creating thin solar cells that can be produced cheaply and safely.

The silicon-based solar panels that make up about 90 percent of modern production are rigid and bulky. The amount of energy it takes to produce each one is equal to about 10 percent of its lifetime energy production, according to scientists.

Photovoltaic cells are already being produced on thin, flexible films, Cheng pointed out. Some are even more better at converting light to energy than the familiar silicon-based solar panels. 

Some of these, like thin photovoltaic devices made using perovskite crystals, are as efficient as conventional solar panels in converting light into energy. However, perovskite crystals degrade under heat and humidity, and without additional research, they won’t be useful. 

This is the case with many solar panel alternatives, Cheng said. They aren’t sustainable either due to the manufacturing process – which often use heavy metals or hazardous solvents – or because they simply don’t last as long as conventional solar panels. Most cannot be affordably printed using modern printing technology because of the level of precision needed.

Cheng believes new research into these possibilities can solve most of those problems, but funding is needed, he said.

With research into printable solar cells, they could be integrated into watches, cellphones, windows, walls, and other surfaces, turning them all into solar energy production devices, Cheng said. 

Public funding could help scientists learn how to remove or mitigate the problems with paper-thin photovoltaic devices, and study how to produce them quickly and cheaply, Cheng said. It could also encourage private investors to take a risk on alternatives to bulky solar panels, he added. 

Cheng made his case for more funding for research into printable solar cells in the journal <a href="http://www.nature.com/news/print-flexible-solar-cells-1.21019">Nature</a>.

---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Printable solar cells could make solar energy more affordable

When it comes to solar energy, most research and development...

Scientists identify most environmentally friendly cereal cropping process

Agricultural methodologies selected for use in cereal cropping can have a significant impact on global warming and eutrophication. Until now, little research had been done to quantify the difference in environmental ramifications for each process. 

Novozymes, in collaboration with <a href="http://www.au.dk/en/">Aarhus University</a> and the <a href="http://www.ku.dk/english/">University of Copenhagen</a> analyzed the different consequences of these systems in a report titled “Environmental Life Cycle Assessment of Danish Cereal Cropping Systems” published by the DCA (<a href="http://dca.au.dk/en/">Danish Centre for Food and Agriculture</a>). 

The team used six different cereal cropping systems including winter wheat or spring barely, different sowing times, various uses of catch crops, and varied ways of handling the straw. Various environmental factors were taken into consideration including greenhouse gas emissions, grain yield, straw yield, carbon storage, land use, and loss of nutrients to the environment. Researchers particularly focused on how the cereal straw was utilized and if it was incorporated into the soil or used for co-production of bioethanol, biogas, and/or bioelectricity. 

The results showed that the best method of all with the smallest environmental impact was early sown winter wheat, where the straw gets removed every second year for use in biorefining. Early sown winter wheat nets more efficient straw and grain yield which in turn, takes up less land. In addition, in this system the straw can be used to replace gasoline, natural gas, and electricity. Thus, the early sowing of winter wheat scored the best grade when it comes to minimizing greenhouse gas emissions and environmental nutrient loss.

Following the results, the team emphasized the importance of viewing the full scope of the environmental effects of cereal production. “This collaboration has led to results that have given us a new and more nuanced angle on the sustainability of cereal production,” said Professor Bent T. Christensen from the Department of Agroecology at Aarhus University.

Scientists identify most environmentally friendly cereal cropping process

Scientists identify most environmentally friendly cereal cropping process Agricultural methodologies...

Have you ever thought about the impact your Thanksgiving dinner may be having on the environment? 

Researchers at <a href="http://www.cmu.edu/">Carnegie Mellon University</a> have, and they’ve created a handy state-by-state chart of the holiday meal’s carbon footprint.

The team of scientists first chose a menu for their hypothetical meal: turkey stuffed with sausage and apples, pumpkin pie and green bean casserole. 

Then they took into account where each meal was being prepared, which had a real impact. For example, in states that rely on coal power, the carbon footprint will be higher than in Maine or Vermont, states that get a large portion of their power from renewable energy sources. 

Additionally, states that had to import many ingredients for the meal would have transportation impacts factored in. Some states have more “eco-friendly” agricultural industries than others, as well. 

The researchers also compared gas vs. electric stove and oven use, and factored in Thanksgiving travel to relatives’ homes.

What did they find? The lowest Thanksgiving dinner carbon footprint was in Vermont, where the average feast produced only 0.2 pounds of carbon dioxide. In second and third place were Washington state, with 8.1 pounds of CO2, and Idaho, with 9.2. 

The worst offender was West Virginia, where the average Thanksgiving meal produced 80.1 pounds of carbon dioxide, followed by Kentucky’s 77.1 pounds and Wyoming’s 75.5.

Find out how your state ranks on the <a href="http://www.cmu.edu/dietrich/news/news-stories/2016/november/images/thanksgiving-carbon-footprint-by-state.pdf">state-by-state chart from Carnegie Mellon</a> [PDF].

The researchers were quick to point out that this doesn’t mean families should skip Thanksgiving – it is only one meal a year, after all. 

However, the exercise does show areas where Americans can make better lifestyle choices when it comes to the environment, the study’s authors said. 

For example, by sticking to traditional turkey for the annual feast. Switching to roast beef could double the carbon footprint of a Thanksgiving meal, the scientists said.

---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Thanksgiving dinner's carbon footprint: A state-by-state comparison

Have you ever thought about the impact your Thanksgiving dinner...

As Americans celebrate Thanksgiving this year, it’s time to put aside our worries for a day and remember that we have a lot to be grateful for – including these five incredible scientific breakthroughs that taught us more about the planet we all live on. Happy Thanksgiving:
<ol>
 	<li><a href="http://www.earth.com/video/images-photosynthesis-action/">Scientists capture images of photosynthesis in action</a>: Humans have known about photosynthesis – the process through which plants use light, air and the nutrients absorbed from the soil to create their own food – for a while. We don’t really understand how it works, though. Now, scientists are using ultrafast X-ray lasers to get a better picture of the process, and their results could lead to cleaner, more plentiful fuel sources.</li>
</ol>
<ol start="2">
 	<li> Researchers investigate alternative sources of fuel: Scientists at the Department of Energy’s Pacific Northwest National Laboratory may have discovered a way to <a href="http://www.earth.com/video/scientists-sewage-future-biofuel/">turn sewage into biofuel</a> using a process called hydrothermal liquefaction. Meanwhile, researchers at Tel Aviv University believe they’ve figured out how <a href="http://www.earth.com/news/algae-may-soon-be-a-source-of-clean-energy/">microalgae produces hydrogen</a>, the first step in increasing its output of this clean fuel source.</li>
</ol>
<ol start="3">
 	<li><a href="http://www.earth.com/news/asteroid-impacts-responsible-life-earth/">Asteroid impacts may be responsible for seeding life on Earth</a>: A group of researchers studying the effects of an asteroid suspected wiping out the dinosaurs 66 million years ago made a surprising discovery. The asteroid impact caused some changes in surrounding rock that might explain how much earlier asteroids created conditions for life to take hold on Earth.</li>
</ol>
<ol start="4">
 	<li><a href="http://www.earth.com/news/human-occupation-actually-improves-some-environments/">Human occupation actually improves some environments</a>: While scientists normally seek to minimize the human impact on the environment, from litter to greenhouse gas emissions, some ecosystems have actually benefited from human residents. One of these is the temperate rainforest along the coast of British Columbia, which benefited from First Nations people living there.</li>
</ol>
<ol start="5">
 	<li><a href="http://www.earth.com/news/study-eco-friendly-wines-taste-better/">Study: Eco-friendly wines taste better</a>: A study at the University of California, Los Angeles, found that wines grown by “eco-friendly” vintners got better reviews from wine experts in blind taste-tests. They’re also often cheaper to produce, the study found.</li>
</ol>
---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

5 Earth stories we were grateful for in 2016

As Americans celebrate Thanksgiving this year, it’s time to put...

While traipsing across Rannoch Moor in Scotland on Sunday, Melvin Nicholson saw a rare sight: a “fog bow.”

Nicholson described spotting the white arc on the snowy moor as magical.

Like a rainbow, a fog bow is created when moisture in the air bends the sun’s light, causing us to see an arc made up of various colors in the sky. 

But unlike a rainbow, a fog bow is colorless, because the droplets of water that make up fog are much smaller than those that make up rain. Some fog bows, also called cloudbows, have a red outer edge and blue inner edge, but most are completely white. The white light forms an arc through the air much like any other rainbow, however.

According to Nicholson, they can usually only be seen if the sun is behind you.

Although fog bows are relatively rare, Nicholson has joined the ranks of several Scottish photographers to catch a glimpse of one. Scotland is a wet country with relatively mild winters, ideal conditions for fog.

Fog bows aren’t just a Scottish phenomenon, though. In recent years, they’ve been spotted and photographed in Ireland, Finland, Australia, and several U.S. states including Massachusetts, Missouri, California and North Carolina.

In some cases, they can form what appears to be a full circle instead of a standard rainbow’s arc, due to reflections.

Want to spot one for yourself? Fog bows always appear in the fog or mist, and usually when the sun is bright and high in the sky. They do sometimes appear at night, if light from the moon is very bright. A thin fog is best, and they’re often spotted over the ocean. 

---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Stunning image of a rare 'fog bow' snapped on the Scottish moors

While traipsing across Rannoch Moor in Scotland on Sunday, Melvin...

When it comes to environmental hazards, many of the residents of volcanic Iceland take a pragmatic approach. Instead of focusing on travel disruptions, smoke-filled skies and falling ash, they focus on the positive: how fresh volcanic eruptions might draw another flock of tourists to the island country.

Iceland first took advantage of the growing volcanic tourism trade in spring 2010, after the volcano <a href="http://volcano.si.edu/volcano.cfm?vn=372020">Eyjafjallajokull</a> erupted after centuries of dormancy. 

The new volcanic activity grounded travelers all over Europe for days, but when they could travel again, they visited Iceland to take in cooler lava formations, geysers and hot springs fueled by Eyjafjallajokull.

Iceland is hoping for a similar travel boom if <a href="http://volcano.si.edu/volcano.cfm?vn=372030">Katla</a> – Eyjafjallajokull’s much more pronounceable cousin – erupts in the near future. The volcano has been dormant for a few decades, but tremors and rumblings around the peak have suggested it may be waking up.

If it does erupt soon, Katla would become the 33rd active volcanic site in the country. The sites, which offer otherworldly photo opportunities due to lava outcroppings, steamy displays and more, were mostly unknown outside of the island until Eyjafjallajokull’s eruption made it a European nuisance. 

As the media began calling and visiting Iceland to find out what, exactly, was going on, the country’s tourism officials took advantage to promote their own spin on eco-tourism. They quickly launched an “Inspired by Iceland” ad campaign on television and online, and shared it with the media. 

Iceland had half a million visitors in 2010, and is expected to tally 1.8 million in 2o16.

While Iceland officials acknowledge that the volcanic activity can be lethal to citizens and visitors alike – the country has taken steps to improve its monitoring systems over the past six years – they continue to turn new volcanic features into tourist attractions. 

Still, they are taking precautions. Residents of Vik, the town closest to Katla, have rehearsed emergency procedures in case the historically violent volcano erupts – a potential event that scientists said is long overdue. A new system will send alerts to locals’ mobile phones and emergency broadcasts to television, radio and social media.

But being prepared doesn’t mean that Iceland’s tourism industry can’t try to make the best of things – like advertising a new “volcanic hot tub” created by flowing lava from <a href="http://volcano.si.edu/volcano.cfm?vn=373030">Bardarbunga’s</a> 2014 eruption meeting icy cold glacier water.

---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Volcanic Iceland sells risky seismic activity as a tourist attraction

When it comes to environmental hazards, many of the residents...

According to new research from Cornell university, climate change action is influenced by individual moral values.

Two moral values highly rated by liberals -- compassion and fairness -- influence willingness to make personal choices to mitigate climate change's impact in the future

The findings also suggest that a moral value rated more highly by conservatives - purity - also appears to have a positive effect, though not as pronounced as compassion and fairness.

Those insights from a group of four researchers at Cornell - Janis Dickinson, professor of natural resources; Poppy McLeod, professor of communication; Robert Bloomfield, professor of management and professor of accounting; and Shorna Allred, professor of natural resources - were published in PLOS ONE. While prior research has investigated the relationship between moral values and environmental attitudes, this work extends this investigation to intentionality with respect to changes in environmental behavior.

The authors' work is based on Jonathan Haidt's moral foundations theory. A professor at New York University, Haidt identifies five "moral axes" around which humans develop individual moral reasoning: compassion/harming, fairness/cheating, in-group loyalty/betrayal, authority/subversion and purity/degradation.

Previous research using Haidt's moral foundations has found that those who identify as liberal prize the values of compassion and fairness most highly. Those who consider themselves conservative place nearly as high a value on compassion and fairness, but place a substantially higher value on in-group loyalty, authority and purity.

The Cornell researchers also found that belief in climate change was significantly associated with increased willingness to act, while those who identified as politically conservative, and who were older and male, were less inclined to act.

Given that liberal attitudes tend to favor action on climate change, Dickinson was not surprised that compassion and fairness correlated strongly with individual willingness to make lifestyle changes.

"Compassion and fairness make perfect sense, because climate change is an environmental justice issue, and being willing to do something about climate change also requires that we care about future generations. Both of those things require compassion and a sense of fairness," said Dickinson, the study's lead author. "But it's not as clear why purity would be important. It may be because within the religious community, leaders have been focusing on the ideas that we are stewards of the earth and that there's something impure about destroying natural systems."

The association between the valuation of purity and a willingness to make personal lifestyle changes, while not as strong as for compassion and fairness, indicates the potential for alternative pathways to climate change action for liberals and conservatives.

"Our finding that willingness to take action on climate change was related to moral values embraced by both liberals and conservatives suggests that it is too simplistic to use political ideology alone to predict support for climate change action," said McLeod.

"As we learn what's important to different kinds of people with respect to climate change, that information can help us communicate in ways where the problem can be heard," said Dickinson. "And I think we may be missing arguments that are important to people if we ignore moral diversity."

--

Credit: <a href="http://www.cornell.edu" target="_blank" rel="noopener">Cornell University</a>

Climate change action is influenced by individual moral values

According to new research from Cornell university, climate change action...

On Election Day, 56 percent of California voters gave their approval to Proposition 64, which legalized marijuana. 

That means California (along with Nevada and Massachusetts) will be joining the five states where recreational pot is already legal: Colorado, Washington, Oregon, and Alaska.

So what does this mean for California residents?

First off, not all of the changes will come overnight. According to Amanda Reiman of the <a href="http://www.drugpolicy.org/">Drug Policy Alliance</a>, the group that helped to write the initiative, it’s not yet legal to buy marijuana without a medical card, and it probably won’t be until sometime in 2018. 

The state still needs to hammer out a lot of regulations, she said, so outside of areas that already have large and well-organized medical marijuana networks, there may be a wait.

However, as of November 9, the day after the election, Californians over the age of 21 can now possess, use, share and grow marijuana. Someone who already grows cannabis with a medical card can give a plant to a friend, or offer them marijuana that’s ready to use. But it cannot be bought or sold, even between acquaintances, until legal shops are cleared to open and state regulations on sales are in place.

 Other things to know:

Where to grow cannabis

Marijuana doesn’t have to be grown in your home in some places, but many areas require that it be grown in a “enclosed and secure” space, and a few cities do have ordinances barring outdoor cultivation. That makes growing indoors the easiest way to obey existing laws.

How much you can grow

Each household is permitted to have no more than six plants at one time, no matter how many people live there. 

Where pot can be smoked or ingested

Weed cannot be used while driving, and it cannot be taken across state lines or on a plane. People under the age of 21 are not permitted to ingest or smoke cannabis anywhere. Adults may not ingest or smoke in public. Prop. 64 does allow for licensed on-site use at some businesses, but it’s unlikely licenses will be issued any time soon. In the meantime, private homes are the only legal place to consume marijuana at this time. 

Criminal penalties

Starting on November 9, the penalties for using marijuana in California changed. Under the new law:
<ul>
 	<li style="font-weight: 400;">Some of those with criminal records related to pot possession will be able to have their records expunged, and if they are still serving a sentence, may be able to get an early release. However, this will almost certainly be limited only to activities which are now legal, not to those still illegal under the new law.</li>
 	<li style="font-weight: 400;">Juveniles (those under 18) will now be sentenced with counseling and community service if they are found to be in possession of pot, rather than jail time. </li>
</ul>
---

By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

California voted to legalize marijuana: what you need to know

On Election Day, 56 percent of California voters gave their...

Red squirrels in Britain and Ireland are carrying the two types of bacteria that cause leprosy in humans, according to scientists from the <a href="http://www.ed.ac.uk/" target="_blank">University of Edinburgh</a> and <a href="https://www.epfl.ch/" target="_blank">Ecole Polytechnique Fédérale de Lausanne</a>.

The <a href="http://science.sciencemag.org/content/354/6313/744" target="_blank">new study</a> was conducted after poor red squirrels with strange growths on their faces and extremities were observed by researchers. Scientists found that squirrels with the growths were infected with one or both of two leprosy strains that were once seen in humans, Mycobacterium leprae and Mycobacterium lepromatosis.

They also found that a number of squirrels without the growths were carrying the bacteria as well.

The researchers studied 110 red squirrels from Ireland, Scotland and England. They found most were infected with at least one strain of leprosy, unfortunately. 

Squirrels from Brownsea Island off of England’s south coast were found to be carrying a strain of M. leprae that hasn’t been seen in humans since 730 years ago!

Squirrels in Ireland and Scotland carried M. lepromatosis, which has been connected to human infections in Mexico, who likely didn’t contract it from the furry creatures: indeed, genetic testing of the strain carried by the squirrels showed that it likely diverged from the strain found in Mexico 27,000 years ago.

Leprosy was once rampant among humans, but infection rates in Europe began declining at the end of the Medieval period – scientists don’t yet have an explanation as to why. Although rates are much lower than they were 500 years ago, more than 200,000 human cases of leprosy are still reported worldwide. In China, it was a feared disease until the past three decades; the country hopes to <a href="http://usa.chinadaily.com.cn/epaper/2016-09/21/content_26853249.htm" target="_blank">eradicate leprosy</a> by 2020.

However, as human infections decline, the disease has been found to affect some animal species. For example, armadillos can carry the disease, and cases of transmission from armadillos to humans have been reported – so don’t cuddle with them too much. The risk of human transmission from red squirrels in Europe is low because hunting them is banned in most places (thank goodness) and contact with human populations is low.

Leprosy affects the skin, upper respiratory tract, eyes and peripheral nervous system. Symptoms include disfiguring skin sores or bumps that don’t go away, muscle weakness and loss of feeling in arms and legs. The incubation period is 3 to 5 years, although cases have been reported in which a patient developed symptoms as much as 20 years after contact. It is diagnosed by biopsy of the affected skin. 

The study, published in Science, shows that disease-causing bacteria can remain undetected in a region for centuries after a disease is eradicated.

The scientists plan to study red squirrels outside of the UK next. We’re crossing our fingers for the little guys.

Red squirrels in Britain infected with 730-year-old leprosy strain

Red squirrels in Britain and Ireland are carrying the two...

New sustainable street lights in Las Vegas are being planned in order to reduce the city’s electric bill and help the environment – and they’re powered by footsteps. 

The new technology involves installing pads in the sidewalk that absorb the kinetic energy created by people walking over them. The energy is stored until nightfall, then used to power the lights overnight.

The street lamps also include solar panels to contribute energy to the system, which stores the power in batteries for light overnight.

Not only do the lamps work with no electricity cost, they also provide WiFi hotspots and cellphone charging stations.

The lights are the creation of <a href="http://www.engoplanet.com/" target="_blank" rel="noopener">EnGoPlanet</a>, a New York-based startup. The company created the lamps after judging wasteful the more than 300 million legacy street lamps around the world costing $40 billion to run and producing 100 million tons of carbon dioxide each year. Carbon dioxide is a <a href="http://climate.nasa.gov/causes/" target="_blank" rel="noopener">greenhouse gas</a> and the main contributor to atmospheric carbon thought to be linked to climate change.

The company also saw that the poles of street lights could be modified so that rather than simply taking up space and holding the lighting element up, they could provide access to electricity and the internet at no additional cost.

The city of Las Vegas is the first to adopt the new technology but will be joined by St. Louis, Missouri, Philadelphia, Pennsylvania, and the country of Oman. 

EnGoPlanet has also kicked off an <a href="https://www.indiegogo.com/projects/let-s-lightup-africa-power-of-footsteps-the-sun-solar-technology#/" target="_blank" rel="noopener">Indiegogo campaign</a> to install the street lamps in 10 African villages that have no access to electricity, free of charge. The ability to charge mobile phones will make it much cheaper and easier for residents of the village to keep in contact with their friends and family, according to EnGoPlanet.

EnGoPlanet also provides other clean-energy products such as a solar benches that include lighting, WiFi hotspots, and charging stations. 

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By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Sustainable street lights in Las Vegas to be powered by pedestrians

New sustainable street lights in Las Vegas are being planned...

Cosmetic microbeads are more harmful to the environment than many had thought.

Microbeads, once a hot new ingredient in cosmetics, may soon be banned from use in consumer products. A recent study by a team of scientists led by Professor Alison Anderson at <a href="https://www.plymouth.ac.uk/" target="_blank" rel="noopener">University of Plymouth</a> focused on public opinion on microbeads, the teensy plastic balls in many face washes and cosmetics. 

The team has estimated that between 4,600 and 94,500 microbeads could be released from an exfoliating wash in a single use. Once discarded, the beads are highly likely to drain into waste water, pass through sewage treatment, and then flow right into aquatic ecosystems. 

The study, published in Marine Pollution Bulletin, found that certain people were aware of the hazard but that there was widespread surprise about the high number of cosmetic microbeads released into the environment per use, calling it “unnecessary,” “unnatural,” and “fake.”

"Participants in the study reacted with shock and disbelief when they were shown the quantity of microbeads in the sample products,” said Anderson. “If microbead content was labelled more clearly we would expect to see a positive response from consumers and also broad support for a ban.”

This past August, the UK House of Commons Environmental Audit Committee published a report asking the government to ban microbeads due to their potential to damage the environment.

The study revealed that while self-identified environmentalists were generally aware of the issue, average students were not. Both groups, however, were surprised by the number of microbeads and the scale of the potential environmental impact. The results suggest that the public could get behind a proposed ban, given increased education and awareness surrounding the issue.

According to Professor Richard Thompson, head of the University’s International Marine Research Unit, "Microbeads might be a small percentage in the overall picture, but recent reports regarding their use have represented a positive step towards resolving the much wider problem of marine debris. They are an avoidable source of microplastic to the environment and legislation would be a welcome step. This study demonstrates there would be public support for such a measure, and that future policies should be developed in close consultation with natural and social scientists to ensure they achieve the desired result."

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By <a href="mailto:oliviagharvey24@gmail.com">Olivia Harvey</a>, <a href="http://earth.com">Earth.com</a> Staff Writer

Cosmetic microbeads could be banned due to environmental risks

Cosmetic microbeads are more harmful to the environment than many...

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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



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

The rapid retreat of the Columbia Glacier

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



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



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



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



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



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



Video &amp; Image Credit: ESA



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



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

The Pyrenees Mountains in southwest Europe

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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

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

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



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



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



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



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



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



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



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

Tiger sharks are shifting poleward as temperatures rise

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

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



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



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



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



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



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



Video Credit: ESA&nbsp;



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



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

Melt ponds on the Greenland Ice Sheet

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



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



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



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



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



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



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



Video Credit: ESA



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



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

The history of Mars is much more complex than we thought

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



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



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



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



Video Credit: Stowers Institute for Medical Research



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



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

Cavefish are healthy despite their sedentary lifestyle

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



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



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



Video Credit: NASA Earth Observatory&nbsp;



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



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

Satellites capture the world's biggest and fastest waves

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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...