Not long ago, the common belief was that only a subset of media consumers - often less educated and highly biased - would let their political allegiance override the truth. They would believe the news that favors their political inclinations, even if it wasn't authentic.



Then some intriguing studies emerged which indicated quite the opposite. The research suggested that media consumers across the spectrum value truth over partisanship.



The studies proclaimed that the authenticity of news was more influential than its alignment with a consumer's political views by more than four times.



However, as we stand on the brink of a national election fraught with misinformation, a fresh study shakes this understanding to its core.



<h2 class="wp-block-heading" id="h-news-and-political-views">News and political views</h2>



The research, led by top psychology scholars at Stanford University, suggests that the masses tend to prioritize partisanship over truth when <a href="https://www.earth.com/news/political-views-change-our-perception-of-the-past-and-future/" target="_blank" rel="noreferrer noopener">consuming news</a>.



Quite unexpectedly, this behavioral pattern spans across all political orientations, educational backgrounds, and reasoning capabilities.



Study lead author Michael Schwalbe is a postdoctoral scholar in the Department of Psychology at the School of Humanities and Sciences at <a href="http://www.stanford.edu/" target="_blank" rel="noreferrer noopener">Stanford University</a>.



"We saw an effect of people being more influenced by political alignment than truth," said Schwalbe. 



"We saw it on both political sides and even among people who scored well on a reasoning test. We were a bit surprised to see how widespread this tendency was. People were engaging in a lot of resistance to inconvenient truths."



<h2 class="wp-block-heading" id="h-pervasive-problem-across-political-parties">Pervasive problem across political parties</h2>



The researchers unearthed intriguing ways in which political views and partisanship can impact the analysis of news. 



In one measure of bias, people's beliefs about the impartiality of their political side compared to their rivals were assessed. Ironically, those who were most confident in their side's neutrality were the most biased.



Furthermore, partisanship seemed to have a more robust effect on <a href="https://www.earth.com/news/climate-change-opinions-swing-voting-and-elections-in-the-u-s/" target="_blank" rel="noreferrer noopener">processing real news</a> than fake news. People demonstrated a higher propensity to reject true information that challenged their political views and accept false information that supported their ideological stances.



"Everyone thinks it's the other person who is the problem," said Geoffrey L. Cohen, the James G. March Professor of Organizational Studies in Education and Business, professor of psychology in H&amp;S, and senior author of the study. 



"People say, 'Not me!' But it turns out, like with a lot of social psychological research, it's actually a pretty pervasive problem across political parties and up and down the educational ladder. The problem isn't just misinformation but the filters of our own mind - perhaps more so."



<h2 class="wp-block-heading" id="h-news-sources-and-political-beliefs">News sources and political beliefs</h2>



The study is based on research conducted on a sample of the voting-age U.S. population, matched to the demographics of the census. This group included supporters and opponents of former President Donald Trump.



A distinctive aspect of this research is its deviation in methodology from previous studies. According to Cohen, this could be why the findings contradict them. While the other studies used existing news headlines, this research involved fabricated ones.



Also, in prior investigations, subjects could see the news sources, which may have influenced their acceptance or rejection of the information, whereas this study focused on the headlines alone.



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



The research team conjured fake headlines like "Trump Beats Grandmaster Chess Champion" and "Trump Attended Private Halloween Gala with Sex Orgies Dressed as the Pope." 



Surprisingly, the experts discovered that Trump's supporters and opponents were more likely to believe headlines that aligned with their views than to accept <a href="https://www.earth.com/news/cities-are-largely-unprepared-for-the-effects-of-climate-change/" target="_blank" rel="noreferrer noopener">true headlines</a> that opposed their beliefs.



The researchers suggest that one contributing factor for this situation is the increased consumption of partisan media. 



"We found that the strongest predictors of bias include extreme views of Trump, a one-sided media diet, and belief in the objectivity and lack of bias of a person's own political side relative to the other side," Schwalbe said.



<h2 class="wp-block-heading" id="h-growing-concern-about-news-consumption">Growing concern about news consumption </h2>



The findings of this study underscore concerns about news consumption in the 21st century, especially with the advent of social media and the constant availability of political news. 



Gaining access to one-sided information has become easier, which can reinforce beliefs in personal objectivity and lead to deepened polarization over time.



<h2 class="wp-block-heading" id="h-possible-paths-to-improvement">Possible paths to improvement</h2>



Having identified the problem, the next logical step is to propose interventions. A measure suggested by Cohen, known as "pre-bunking," involves proactive fact-checking where media sources warn of potential misinformation, or people independently learn to recognize manipulation tactics.



However, Cohen and Schwalbe emphasized that the solution doesn't solely lie in policy changes focused on fake news; people are also biased in their disbelief of true news.



Accordingly, they highlight the significance of promoting intellectual humility, wherein media consumers acknowledge the fallibility of their minds and learn to question their perceptions.



"There's still much more to do to understand the problem," said Schwalbe. So, while this study forms a solid foundation for further exploration, there's no denying that we're only at the beginning of this investigative journey.



The study is published in the <a href="https://psycnet.apa.org/fulltext/2025-33892-004.html" target="_blank" rel="noreferrer noopener">Journal of Experimental Psychology: General</a>. 



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People trust news that matches their political views, even when it's fake

Not long ago, the common belief was that only a subset of media consumers - often less educated and highly biased - would let their political allegiance override the truth. They would believe the news that favors their political inclinations, even if it wasn't authentic. Then some intriguing studies emerged which indicated quite the opposite. The research suggested that media consumers across the spectrum value truth over partisanship. The studies proclaimed that the authenticity of news was more influential than its alignment with a consumer's political views...

A new study published in the <a href="http://jech.bmj.com/">Journal of Epidemiology &amp; Community Health</a> finds that heavy drinking and smoking lead to visible signs of aging. The researchers suggest that this behavior leads to looking older than one's years. Light to moderate drinking, however, was not linked to physical aging.

The experts analyzed data from more than 11,500 adults. As part of the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4625209/">Copenhagen City Heart Study</a>, the heart health and visible aging signs of the individuals had been tracked for an average of 11.5 years.

Before clinical tests, the participants reported on their lifestyle, general health, and how much they <a href="https://www.earth.com/news/drinking-kills-brain-stem-cells/">drank</a> and smoked. They were examined for four signs of aging that have been linked to a heightened risk of cardiovascular issues including earlobe creases, arcus corneae, xanthelasmata, and male pattern baldness.

The individuals observed for the study ranged in age from 21 to 93. Average alcohol consumption was 2.6 drinks per week for the female participants and 11.4 drinks per week for the men. 57 percent of the women and 67 percent of the men were current smokers.

The study revealed that arcus corneae was the most common sign of aging for both sexes, with a prevalence of 60 percent among men over 70 and among women over 80. The least common sign was xanthelasmata, with a prevalence of 5 percent among men and women over 50. 

The study also demonstrated that heavy drinking and smoking led both male and female participants to looking older than their true age. Heavy drinkers and smokers also had an increased risk of developing arcus corneae, earlobe creases, and xanthelasmata.

For example, 28 or more drinks a week was associated with a 33 percent heightened risk of arcus corneae among the women, and 35 or more drinks per week among the men led to a 35 percent heightened risk of corneal arcus.

The investigation showed that visible signs of aging were found to be no different among light to moderate drinkers than among non-drinkers. Furthermore, male pattern baldness was not linked to heavy drinking and smoking.

The study authors concluded, "This is the first prospective study to show that alcohol and smoking are associated with the development of visible age-related signs and thus generally looking older than one's actual age....This may reflect that heavy drinking and smoking increases general aging of the body."

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Heavy drinking and smoking will visibly age you

A new study published in the Journal of Epidemiology &amp;...

In today’s digital age, <a href="https://www.earth.com/news/texting-pain-neck-literally/">texting</a> with emojis, abbreviations, GIFs, and memes has become the new norm. 

The downside is that texting eliminates both verbal and facial cues, and so sometimes texts can be misinterpreted or misread. Something as small as a punctuation or capitalization can change the entire tone of a text message. 

Emojis may seem like a frivolous or even lazy development, but a new study has found that they can actually help convey tone and meaning in written communication.

The study, conducted by researchers at <a href="https://www.binghamton.edu/">Binghamton University</a>, found that exclamation points, emojis, and punctuation help replace the visual cues found in face-to-face communication. 

“In contrast with face-to-face conversation, texters can't rely on extra-linguistic cues such as tone of voice and pauses, or non-linguistic cues such as facial expressions and hand gestures,” said Celia Klin, one of the study’s co-authors. “It's been suggested that one way that texters add meaning to their words is by using ‘textisms’-- things like emoticons, irregular spellings (sooooo) and irregular use of punctuation (!!!).”

In a previous study, Klin had discovered that the use of a period at the end of a text message made the text seem less sincere.

For this study, Klin and her colleagues conducted experiments to see if textisms were important in conveying meaning, and if a single word text in response to an invitation was changed by the use of a period. 

With texting, the period is used rhetorically to add meaning instead of strictly grammatically, according to Klin.

Klin had study participants text either an invitation or a single word response to an invitation. The use of a period changed the meaning for many of the texts responding to the invitation. 

“Specifically, when one texter asked a question (e.g., I got a new dog. Wanna come over?), and it was answered with a single word (e.g., yeah), readers understood the response somewhat differently depending if it ended with a period (yeah.) or did not end with a period (yeah),” said Klin. 

According to Klin, the research also reflects the way texting, and textisms, show the evolution of language and communication. As different methods of communication are developed, people invent new language constructs to work with any new advancements. 

The study proves that textisms like emojis and exclamation marks are actually important in conveying meaning, and are a testament to how language evolves. 

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="http://www.earth.com">Earth.com</a> Staff Writer

Emojis help replace clues from face-to-face communication

In today’s digital age, texting with emojis, abbreviations, GIFs, and...

“Video games won’t get you anywhere!” How many times have kids been told that by their parents? But according to new research from scientists at the <a href="https://www.york.ac.uk/">University of York</a>, video game skill may show a direct correlation to higher intelligence. 

While the researchers make it clear that their findings do not indicate that playing computer games will make a young person smarter, they do indicate that individuals who are more skilled at these games tend to be smarter.

The study focused on “Multiplayer Online Battle Arenas” (MOBAs), which are action strategy games that usually involve two teams of five individuals competing against each other. They also looked a multiplayer “First Person Shooter” (FPS) games, which is one of the most popular game genres today.

The researchers first study analyzed the correlation between performance in the game League of Legends and an individual’s performance in paper-and-pencil intelligence tests. Their second study looked at large datasets from two MOBA games (League of Legends and Defense of the Ancients) and two FPS games (Destiny and Battlefield 3). 

In their second study, the scientists found that for large groups of thousands of players in MOBAs, their performance in the game and IQ behaved in similar ways as player got older. However, for FPS games they found the opposite effect, where performance actually declined after players’ teen years. Athanasios Kokkinakis, a PhD student at York and lead author of the study, elaborates on this, “unlike First Person Shooter (FPS) games where speed and target accuracy are a priority, Multiplayer Online Battle Arenas rely more on memory and the ability to make strategic decisions taking into account multiple factors. It is perhaps for these reasons that we found a strong correlation between skill and intelligence in MOBAs.”

Professor Alex Wade of the University of York – a corresponding author on the paper – says that MOBA games “are complex, socially-interactive and intellectually demanding. Our research would suggest that your performance in these games can be a measure of intelligence.” Wade continues, “Research in the past has pointed to the fact that people who are good at strategy games such as chess tend to score highly at IQ tests. Our research has extended this to games that millions of people across the planet play every day.”

The researchers believe that their findings have the potential to have a big impact on the future of video games and the creative industry, as these games may be able to extend as a tool for research in mental health and psychology. They could also be used as “proxy” tests of IQ, as well as a way to monitor <a href="https://www.earth.com/news/ways-keep-brain-healthy/">cognitive health</a> across populations.

--

By <a href="mailto:certz@earth.com">Connor Ertz</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Good news for gamers! Video game skill linked to intelligence

“Video games won’t get you anywhere!” How many times have...

Youths feel the pressure to conform to traditional gender roles, and the extent to which they experience this pressure directly affects their well-being. Researchers explored how the development of gender identity varied among French <a href="https://www.earth.com/news/screen-time-suicide-teens/">teens</a> from different ethnicities and cultures, and closely examined the adolescents’ feelings on the subject.


Adam J. Hoffman is a postdoctoral researcher at the University of Michigan who coauthored the study at the <a href="http://www.unc.edu/">University of North Carolina at Chapel Hill</a>.

"Our study-one of the first to examine these issues longitudinally and outside of the United States-shows that boys experience greater pressure than girls to conform to gender expectations, which most likely places nonconforming adolescent boys at higher risk than girls for psychological distress,"explained Hoffman.

The research team surveyed French adolescents over four years, starting in the sixth grade and following up with them each year until ninth grade. Surveys were collected from 570 European French students and 534 North African French students. All the European French participants were born in France, while the North African French students were from Algeria, Morocco, or Tunisia, with 78 percent born in France. 

The teens were asked to report on how typical they felt of their gender and on the pressure they felt from parents, peers, or themselves to conform to traditional roles. 


In the sixth grade, girls in both groups reported lower levels of feeling typical for their gender, and also reported feeling less pressure to conform than boys. Over the course of four years, all of the teens except North African French boys reported a decrease in how much they felt typical for their gender.

Furthermore, girls in both groups reported feeling less pressure to conform to gender norms over the years they were surveyed, while North African French boys reported feeling an increase in pressure to conform to traditional roles. European French boys reported no change in this category.

"Cultural differences in gender norms provide North African French boys less freedom to deviate from traditional gender roles and norms than that experienced by European French boys," explained co-author Isabelle Regner.

"The greater pressure to conform to gender roles that North African French boys feel may be a response to contrasting messages about social status they are exposed to-one from their ethnic and cultural groups that says masculinity has greater power and prestige, the other from the broader social context that says their ethnic and cultural groups have lower status and are discriminated against."

The authors of the study, which is published in the journal <a href="http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-8624">Child Development</a>, say there is a need for parents and teachers to be aware of the variance in traditional gender roles among youths of different cultures. 

--

By <a href="mailto:csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Teen gender identity reflects cultural and ethnic differences

Youths feel the pressure to conform to traditional gender roles,...

People who are more in touch with their own heartbeat may actually be more charitable, according to a new study. 

The research, conducted by scientists from <a href="http://www.anglia.ac.uk/">Anglia Ruskin University</a> and <a href="http://www.su.se/english/">Stockholm University</a>, is the first to attempt to find a physiological connection to charitable giving and altruistic behavior. 

“Despite clear biological and economic advantages of acting in self-interest, people consistently make decisions that benefit others, at a cost to themselves,” said Dr. Richard Piech, a co-author of the study. “Our study suggests that selfless acts may be influenced by signals from the body that reach the brain.”

The researchers set out to see if a physical response could explain why some people are naturally more <a href="https://www.earth.com/news/female-brain-wired-generous/">giving</a> than others. 

For the study, a group of participants was asked to play a computer game where they were continually asked to share sums of money between themselves and someone they hadn’t met before.

At the end of the game, the participants were given real money, but the amounts depended on how much they had given and received by other players. 

The researchers also had the participants complete a task where they had their heartbeat recorded and were then asked to listen to a series of sounds that were either in time or out of sync with their recorded heartbeats. 

The participants that could judge the sounds that were in beat with their own heart were found to be more generous during the giving game. 

The results found that the participant's generosity was directly related to how in tune they were with their heartbeat. 

The researchers note that further research will need to be done to determine exactly why being in touch with your heartbeat may determine your generosity, but the study shows a clear link between the two.

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

People who are in touch with their heartbeats are more generous

People who are more in touch with their own heartbeat...

We live in an age that has been dubbed the Anthropocene era because of how drastically humans have changed the global landscape. From climate change to habitat degradation, human-related activities have played a major part in current conditions. 

Global trade and human-induced climate change, in particular, are now making it easier for pests to spread across the planet, even to those regions that might otherwise have been protected by cold winters. 

Tree-eating insects like bark beetles, wood-boring beetles, and leaf-sucking insects are killing plants and wreaking havoc on forests. Park rangers and forest conservation policies have been unable to keep up as new pests are continually introduced.  

But now, recent research from <a href="http://home.dartmouth.edu/">Dartmouth College</a> and the <a href="http://www.usc.es/en/index.html">University of Santiago de Compostela</a> offers new strategies to manage pests in the era of human-induced <a href="https://www.earth.com/news/humans-driving-climate-change/">climate change</a>.

“Forest managers working in isolation and learning by trial and error cannot possibly keep up with the rapidly changing challenges. We hope that this research can serve as a guidebook for pest management in the Anthropocene,” said Matthew Ayres, a professor of biological sciences at Dartmouth.

Ayres and his colleagues from Dartmouth and Santiago de Compostela in their paper recommended several tactics that can be used to help combat new pests and reduce invasive pests from forests. 

The researchers have outlined eight different tactics, beginning with the use of practical scientific theory. 

To reduce the introduction of new pests or protect forests from invasive species, first researchers need to be thoroughly familiar with the pests and their adaptability to new environments and climates. 

“Understanding the general effects of temperature on insects gives us certainty that continued warming will produce continued changes in where we find pests,” said Ayres. “In some cases, we can make detailed predictions of where pests will be in coming years under different climate scenarios.” 

The other tactics proposed include management plans that anticipate continuing change, improving monitoring, prediction, and mitigation of established pests, and improving biosecurity against future human-aided invasions. 

In addition, the researchers emphasized the importance of different countries sharing intelligence, improved assessments of costs and benefits, accurate assessments of outcomes, and improved relationships between forests and socioeconomic systems.

The research proves that pest management is possible, even with a changing climate and increased global trade.

--

By <a href="mailto:kayvandette@gmail.com">Kay Vandette,</a> <a href="https://www.earth.com/">Earth.com</a>, Staff Writer

Strategies for managing new pests brought by climate change

We live in an age that has been dubbed the...

Many studies have proven that negative emotions affect sleep. As we recently reported, <a href="https://www.earth.com/news/bed-angry-bad-health/">going to bed angry</a> makes it harder to relax into sleep and can affect overall health and wellbeing. 

Now, a new study has found that going to bed angry or dwelling on negative memories will make it easier to recall and linger on those experiences later on.

The brain, as it turns out, is programmed to dwell on negative memories and strengthens them while we sleep. Emotions are also a prominent factor in how we recall memories, the stronger the emotion, the better our ability to remember the experience. 

The study was conducted by researchers from the<a href="http://www.bidmc.org/"> Beth Israel Deaconess Medical Centre</a> in Boston. For the study, the researchers had 57 participants view a series of images in each eye. 

The images were either upsetting or neutral, and the research team was able to visually track the different parts of the brain that processed each image. After that, half of the participants went to sleep and the other stayed awake. 

Twelve hours later, researchers asked the participants to remember the images. Those who had gone to sleep were able to remember a higher number of negative images than those who stayed awake. 

The results show that going to bed after experiencing something emotionally upsetting will only strengthen that memory and our ability to recall it later on. 

“This would provide an explanation of how sleep selectively stabilizes emotional memories,” Roy Cox, the study's lead author, told the <a href="https://www.thetimes.co.uk/article/brain-dwells-on-negative-memories-while-we-sleep-w5bxknkf7">Times</a>. 

A previous 2015 study, which also showed similar results, focused on how emotions play an essential role in memory recall. Strong emotions can make both negative and positive memories more vivid. 

Going to sleep angry or dwelling on something embarrassing or upsetting that happened that day isn’t just bad for your sleep, it also means that you will be able to clearly recall that event in the future 

--

By<a href="mailto:kayvandette@gmail.com"> Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com </a>Staff Writer

The brain strengthens bad memories as we sleep

Many studies have proven that negative emotions affect sleep. As...

According to recent research, drinking coffee and eating peanuts, walnuts, and tree nuts have substantial benefits for heart health. People who regularly eat nuts have a lower risk of cardiovascular disease, while drinking <a href="https://www.earth.com/news/climate-change-coffee-industry/">coffee</a> decreases the risk of heart failure and stroke.

A study published in the <a href="http://www.onlinejacc.org/">Journal of the American College of Cardiology</a> is the largest study to examine the link between nut consumption and heart health. The researchers set out to examine the association between specific types of nuts and the incidence of cardiovascular disease.

The analysis examined over 210,000 individuals who had previously engaged in one of three major studies. The participants had self-reported on medical history, lifestyle, and health conditions every two years and the research team was able to follow up on the study subjects for up to 32 years.

The study revealed a consistent inverse connection between total nut consumption and total cardiovascular disease and coronary heart disease. 

In addition, eating walnuts at least once per week was linked to a 19 percent lower risk of cardiovascular disease and 21 percent lower risk of coronary heart disease. Those who had eaten peanuts or tree nuts at least twice per week had a 13 percent lower risk of cardiovascular disease and a 15 percent lower risk of coronary heart disease. 

Overall, participants who consumed five or more servings of nuts a week had a 14 percent lower risk of cardiovascular disease and a 20 percent lower risk of coronary heart disease than participants who rarely or never consumed nuts. 

"Our findings support recommendations of increasing the intake of a variety of nuts, as part of healthy dietary patterns, to reduce the risk of chronic disease in the general populations," said lead author Marta Guasch-Ferre.

Preliminary research reveals similar heart health benefits from coffee. An analysis was developed based on the long-running Framingham Heart Study, which provides information about cardiovascular health based on certain diets.

The analysis revealed that drinking coffee has a significant effect on cardiovascular health. Compared with non-coffee drinkers, those who drank coffee had a reduced risk of developing heart failure by 7 percent and stroke by 8 percent with every additional cup of coffee consumed per week.

The findings of this study are being presented at the <a href="http://professional.heart.org/professional/EducationMeetings/MeetingsLiveCME/ScientificSessions/UCM_316900_Scientific-Sessions.jsp">American Heart Association's Scientific Sessions 2017</a>.

--

By <a href="http://csexton@earth.com">Chrissy Sexton</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Coffee and nuts both found to improve heart health

According to recent research, drinking coffee and eating peanuts, walnuts,...

Laptops, iPhones, iPads, and more have all become major fixtures in the life of the average American. They boost our ability to connect with people all over the world – not to mention the major entertainment factor they provide. But are there repercussions of their prominence in our day-to-day lives?

A new study from <a href="https://www.sdsu.edu/">San Diego State University</a> has found that increased time spent in front of a screen – such as computers, cell phones, and tablets – may be responsible for the rise in <a href="https://www.earth.com/news/ayahuasca-alcoholism-depression/">depression</a> and suicide-related behaviors in young Americans.

Through analysis of questionnaire data from over 500,000 U.S. teens, SDSU professor of psychology Jean Twenge and her team compared these survey responses to suicide statistics from the U.S. Centers for Disease Control and Prevention. The results showed that the suicide rate for girls from ages 13-18 increased by 65 percent between 2010 and 2015, and the number of teen girls reporting symptoms of severe depression increased by 58 percent.

“When I first saw these sudden increases in mental health issues, I wasn’t sure what was causing them,” says Twenge. “But these same surveys ask teens how they spend their leisure time, and between 2010 and 2015, teens increasingly spent more time with screens and less time on other activities.” According to Twenge, no other activity had that significant of a change during that period of time.

In further analysis, the researchers found that 48 percent of teens who spend five or more hours per day on electronic devices reported at least one suicide-related outcome. On the other hand, only 28 percent of those who spent less than an hour a day on these devices reported the same. Furthermore, teens who spent a lot of time on electronic devices were more likely to have depressive symptoms.

The researchers believe their findings show how it important it is for parents to monitor the time their children spend in front of screens. “These increases in mental health issues among teens are very alarming,” Twenge said. “Teens are telling us they are struggling, and we need to take that very seriously.”

Another suggestion would be that we all should be spending less time with our electronic devices and more time engaging in social interaction with our peers. Other positive healthy activities include sports and exercise, attending religious services, and even doing homework! All of these activities are linked to decreased depressive symptoms and fewer suicide-related outcomes.

--

By <a href="mailto:certz@earth.com">Connor Ertz</a>, <a href="https://www.earth.com/staff/">Earth.com</a> Staff Writer

Screen time linked to increase in depression, suicide in teens

Laptops, iPhones, iPads, and more have all become major fixtures...

The series of deadly <a href="https://www.earth.com/news/ways-heatwaves-kill/">heatwaves</a> that lingered over parts of Europe, Asia, and the Middle East this past spring and summer were just a few examples of the extreme weather events that occurred during 2017. 

Now, a new study projects that weather-related mortality rates may skyrocket as a result of climate change. 

The study was led by researchers from the<a href="https://www.lshtm.ac.uk/"> London School of Hygiene and Tropical Medicine </a>and published in The Lancet Planetary Health journal. 

It is the largest study yet that examines the effects that rising greenhouse gases have on weather-related mortality rates and general well-being. 

The study included data from 451 locations in 23 countries. The researchers used the information to create the first global model of how mortality rates are affected by changes in temperature. The study also factored in 85 million recorded deaths between 1984 and 2015 to help get a better picture of how climate and mortality are related. 

The results show that if emissions continue to rise, many areas will see sharp increases in deaths due to hot weather. The areas most at risk include the Middle East, Southeast Asia, Southern Europe, and South America. In colder regions like Northern Europe, the effects will be less severe.

However, the results also showed that if policies are put in place to mitigate climate change successfully, these death toll increases can be avoided. 

“This study demonstrates the negative impact of climate change, which may be more dramatic among the warmer and more populated areas of the planet, and in some cases disproportionately affect poorer regions of the world,” said Antonio Gasparrini, the lead author of the study. “The good news is that if we take action to reduce global warming, for instance by complying with the thresholds set by the Paris Agreement[1], this impact will be much lower.”

--

By<a href="mailto:kayvandette@gmail.com"> Kay Vandette</a>, <a href="https://www.earth.com/">Earth.com</a> Staff Writer

Study: As temperatures rise, so will mortality rates

The series of deadly heatwaves that lingered over parts of...

Archaeologists have discovered pottery shards that were used to store and ferment wine that date back to the Neolithic period around 6,000 BCE. The ceramic fragments are the earliest evidence of winemaking known to exist worldwide. 

The discovery was made in the Republic of Georgia in collaboration between the <a href="https://www.utoronto.ca/">University of Toronto</a> and the <a href="http://museum.ge/?lang_id=ENG">Georgian National Museum</a> as part of the Gadachrili Gora Regional Archaeological Project Expedition (GRAPE). 

GRAPE is an international undertaking by researchers, excavators, and archeologists from all over the world studying the remains of two early ceramic Neolithic villages. 

The Neolithic period, which began in the Middle East around 15,200 BCE, is characterized by the early beginnings of many activities including farming, the domestication of animals, making art, crafts, and pottery, and the creation of polished stone tools. 

As pottery began to flourish, the process of storing and fermenting beverages was invented, and <a href="https://www.earth.com/news/chocolate-red-wine-wrinkles/">wine</a> soon became a way of life. 

“As a medicine, social lubricant, mind-altering substance, and highly valued commodity, wine became the focus of religious cults, pharmacopoeias, cuisines, economics, and society throughout the ancient Near East,” said Stephen Batiuk, a senior research associate in the Department of Near and Middle Eastern Civilizations at the University of Toronto. 

The discovery was made after researchers analyzed pottery fragments from eight ceramic jars uncovered at the excavation sites.

A team of scientists at the <a href="https://www.upenn.edu/">University of Pennsylvania</a> then examined the residues left on the fragments. 

The results of the analysis showed that the jars contained traces of tartaric acid and three organic acids, malic, succinic, and citric, all of which are known elements of grapes and wine fermentation. 

"We believe this is the oldest example of the domestication of a wild-growing Eurasian grapevine solely for the production of wine," said Batiuk.

The researchers note that with the advances made in the Neolithic period, it makes sense that the domestication of grapes and winemaking took prominence during the time. 

Wine was an important part of the culture, and nearly all wine served today can trace its roots back to ancient grapevines that were domesticated during the Neolithic period.

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By <a href="mailto:kayvandette@gmail.om">Kay Vandette</a>,<a href="https://www.earth.com/"> Earth.com</a> Staff Writer

Image Credit: Judyta Olszewski

The art of winemaking dates back to 6000 BCE

Archaeologists have discovered pottery shards that were used to store...

Researchers have discovered evidence of why head and face pain causes more suffering than pain elsewhere in the body. It turns out that pain in the head, face, eyes, ears, and teeth is more than just physically uncomfortable, but is emotionally disruptive as well.

The scientists found that sensory nerves are wired directly from the head and face into one of the brain's key emotional signaling centers. Other sensory neurons in the body are only connected to this hub indirectly.

Study senior author Fan Wang is a professor of Neurobiology and Cell Biology at <a href="https://www.duke.edu/">Duke University</a>.

"Usually doctors focus on treating the sensation of pain, but this shows the we really need to treat the emotional aspects of pain as well," said Wang.

Pain signals from the head are carried through two groups of sensory <a href="https://www.earth.com/news/scientists-identify-sleep-apnea/">neurons</a> to the brain, and there is a possibility that these neurons are simply more sensitive to pain than other neurons in the body. However, this would not explain the elevated fear and emotional suffering that comes along with head-face pain, said Wang

"There has been this observation in human studies that pain in the head and face seems to activate the emotional system more extensively," said Wang. "But the underlying mechanisms remained unclear."

The research team set out to examine the neural circuitry underlying head-face pain and pain elsewhere in the body. To do this, they tracked brain activity in mice after irritating either a paw or the face. 

The scientists found that injury to the face caused increased activity in the brain's parabrachial nucleus (PBL), a region that is directly wired into the brain's emotional centers. Next, the team used advanced technology to identify the neurons which caused this heightened PBL activity.

"It was a eureka moment because the body neurons only have this indirect pathway to the PBL, whereas the head and face neurons, in addition to this indirect pathway, also have a direct input," said Wang. "This could explain why you have stronger activation in the amygdala and the brain's emotional centers from head and face pain."

Further testing revealed that activating this pathway triggered face pain, while suppressing the pathway reduced the face pain.

"We have the first biological explanation for why this type of pain can be so much more emotionally taxing than others," said co-author Wolfgang Liedtke. 

Liedtke explained that the findings of the study could lead to innovative treatments for devastating head and face pain.

"This will open the door toward not only a more profound understanding of chronic head and face pain, but also toward translating this insight into treatments that will benefit people,” said Liedtke.

The research is published in the journal <a href="https://www.nature.com/neuro/">Nature Neuroscience</a>.

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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

Why head and face pain hurts more than other types

Researchers have discovered evidence of why head and face pain...

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



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



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



Video/ Image Credit: ESA



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

Nushagak Bay in southwest Alaska

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



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



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



Video/ Image Credit: American Chemical Society&nbsp;



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



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Flu viruses are more flexible than expected

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



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



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



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



Video/Image Credit: ESA&nbsp;



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

Lake Trasimeno in Central Italy

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



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



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



Video Credit: American Chemical Society&nbsp;



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



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Detecting mercury contamination with the tap of a finger

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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



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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



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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 



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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



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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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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



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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



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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



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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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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...