Female,Having,Heart,,Asthma,Or,Panic,Attack.,Difficulties,With,Breathe,

When we think of a heart attack, the image that often comes to mind is straight out of a movie: someone suddenly clutches their chest in pain and collapses as shocked bystanders look on. It's a scene etched into our collective memory by decades of TV and film.



However, the real experience of a heart attack rarely fits that narrative. In fact, believing in that dramatic version can delay life-saving treatment.



Hollywood’s version has shaped public perception in ways that may be doing more harm than good. The truth is far more complex and subtle. 



For Ann Eckhardt, a nursing professor and researcher at <a href="https://www.uta.edu" target="_blank" rel="noreferrer noopener">The University of Texas at Arlington</a>, this public misunderstanding is not just a matter of health education. It is a deeply personal mission rooted in years of <a href="https://www.earth.com/news/heart-disease-kills-differently-now-than-five-decades-ago/">research</a> and a family experience that first sparked her passion for the subject.



<h2 class="wp-block-heading" id="h-missing-the-signs-of-a-heart-attack">Missing the signs of a heart attack </h2>



Movies from the 1980s and 1990s cemented an unrealistic idea of heart attacks. The result? Many people don’t recognize the signs when it happens to them.



“We did ourselves a disservice in the 1980s and 1990s with what’s known as ‘The Hollywood Heart Attack,’” Dr. Eckhardt said. “That’s unfortunately not real life. It’s not always intense." 



"Sometimes it’s just discomfort that doesn’t feel quite right, so people tend to wait to see a doctor. The longer you wait, the more likely you are to have negative consequences after your <a href="https://www.earth.com/news/heart-disease-remains-the-leading-cause-of-death-worldwide/">heart</a> attack.”



This tendency to wait, to dismiss symptoms that don’t seem dramatic enough, can cost precious time. And in cardiology, time is muscle. 



The longer blood flow to the heart is restricted, the greater the damage. But if people are looking for cinematic signals, they might miss the real ones.



<h2 class="wp-block-heading" id="h-heart-attack-symptoms-can-be-subtle">Heart attack symptoms can be subtle </h2>



One of the biggest myths is that heart attacks always present with severe, sudden <a href="https://www.earth.com/news/artificial-sweeteners-erythritol-directly-linked-to-heart-attacks-and-strokes/">pain</a>. In reality, many symptoms are subtle. 



People may experience vague discomfort, pressure, or a strange feeling they can’t quite describe. These symptoms are easier to ignore, especially when life is busy or stressful.



Eckhardt and her team wanted to understand these misconceptions in detail. They explored how people interpret chest pain and whether that interpretation affects how and when they seek care. 



The team has identified a dangerous gap between public belief and medical reality.



<h2 class="wp-block-heading" id="h-rethinking-the-warning-signs">Rethinking the warning signs </h2>



Many people also believe that heart attacks look drastically different in men and women. While that belief was once supported in the medical community, experts are now rethinking the language they use.



“We used to say men have typical symptoms and women have atypical symptoms,” Eckhardt said. “We’re trying very hard to move away from that language now."



"The most common symptom for men and women is chest-related. We created confusion by saying women are somehow completely different.”



<h2 class="wp-block-heading" id="h-false-expectations-about-heart-attacks">False expectations about heart attacks</h2>



Labeling symptoms as typical or atypical can confuse patients. If someone doesn’t feel the expected kind of pain, they may assume it isn’t serious. Worse, they might believe it can’t possibly be a heart attack. That false assurance can delay treatment.



Eckhardt’s team wanted to dig deeper into how people form these ideas. To do that, they created the <a href="https://www.heartandlung.org/article/S0147-9563(23)00121-8/abstract?utm_source=chatgpt.com" target="_blank" rel="noreferrer noopener">Chest Pain Conception Questionnaire</a>. The tool is designed to measure what people think heart attack symptoms look like, and where those ideas come from.



Three years into the project, the team made a striking discovery: nearly 75% of respondents had gotten their information about heart attacks from media sources like TV and film. That suggests medical messaging is losing the battle for public attention.



“We often tell people chest pain is a symptom of a <a href="https://www.earth.com/news/drinking-this-amount-of-coffee-helps-prevent-heart-disease-and-diabetes/">heart</a> attack, but what we don’t tell them is what they might actually feel,” Eckhardt said. 



“For a lot of people, it’s not pain in the traditional sense. It’s more discomfort, pressure, tightness. They just don’t feel quite right, but they can’t really put their finger on it.”



<h2 class="wp-block-heading" id="h-vague-signs-delay-treatment">Vague signs delay treatment</h2>



Many heart attack sufferers report a general unease or tightness instead of sharp pain. But because it’s vague, they hesitate to call a doctor or go to the hospital. This indecision can lead to devastating outcomes.



Eckhardt wants medical professionals to change how they talk to patients. Instead of simply asking about chest pain, they should expand the question to include more accurate descriptions.



“The longer you wait, the more likely it is you’ll have irreversible damage to the heart,” Eckhardt said. 



“So, if we can determine what people think a heart attack will be like, perhaps we can help the medical community better triage and ask questions. It’s not just ‘Are you having chest pain?’; it’s also ‘Do you have any discomfort, pressure, tightness, squeezing?’”



This approach could help doctors identify patients at risk more effectively. It also makes space for individuals to describe their symptoms without second-guessing themselves.



<h2 class="wp-block-heading" id="h-a-lifelong-mission">A lifelong mission </h2>



For Eckhardt, this work is not just about data or education. It is deeply personal. Her commitment to the subject began when she was young, shaped by a frightening family event.



“That experience sparked my interest early on,” Eckhardt said. When she was in middle school, her grandfather was rushed to the hospital after a heart attack. 



Thankfully, he survived the ordeal thanks to timely bypass surgery and lived for another two decades. That moment planted the seeds of a lifelong commitment to health education and research.



<h2 class="wp-block-heading" id="h-changing-the-public-perception">Changing the public perception </h2>



Eckhardt and her colleagues know it won’t be easy to re-educate the public. Hollywood images are hard to shake. 



However, the team's research continues, driven by a clear goal: help people recognize real heart attack symptoms, seek help early, and improve outcomes.



Every person who rethinks their idea of what a heart attack feels like could be one life saved. It is not always about pain. Sometimes, it is a quiet, persistent signal that something is wrong. 



The study is published in the journal <a href="https://www.heartandlung.org/article/S0147-9563(25)00104-9/abstract" target="_blank" rel="noreferrer noopener">Heart &amp; Lung</a>.



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What a heart attack really feels like - it's much different from what you see on TV

When we think of a heart attack, the image that often comes to mind is straight out of a movie: someone suddenly clutches their chest in pain and collapses as shocked bystanders look on. It's a scene etched into our collective memory by decades of TV and film. However, the real experience of a heart attack rarely fits that narrative. In fact, believing in that dramatic version can delay life-saving treatment. Hollywood’s version has shaped public perception in ways that may be doing more harm than good....

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...

Ever wondered how animals make decisions? Is there a lot of thought involved, or do instincts, personality type and environment lead the way?

According to a new study, the judgments and decisions a pig makes are governed by their mood - whether good or bad - and their personality type.

The new study, carried out by scientists specializing in animal behavior and welfare at the University of Lincoln and Newcastle University, UK, demonstrates for the first time that the combined mood and personality type of an animal have a significant impact on its outlook.

The findings are published today (November 16, 2016) in the Royal Society's scientific journal, Biology Letters.

Previous research has revealed how, in humans, mood and personality type affect our 'cognitive biases' - deviations in judgement which form our individual characteristics and personalities, complete with errors and imperfections. However, until now, it was not known whether the same process also affects how animals think.

Funded by the Biotechnology and Biological Sciences Research Council (BBSRC), the new study was designed to explore how mood and personality type affect how optimistic or pessimistic pigs are. The researchers found that just like humans, domestic pigs are more likely to have a pessimistic outlook on life if they are in a bad mood.

The personalities of pigs are deemed to be either 'proactive' or 'reactive' - proactivity in pigs is characterized by more active conduct and a consistency of behavior, whereas reactivity in pigs is often indicated by passive behavior and being more changeable in their responses. In humans, proactivity and reactivity have been linked to extraversion and neuroticism, with extrovert individuals being more optimistic and people with neurotic tendencies proving more pessimistic. The scientists worked with a group of pigs which included both 'proactive' and 'reactive' individuals.

The pigs were housed in one of two environments known to influence their mood, and were trained to associate two separate feeding bowls with different outcomes. One contained sugar-coated sweets (representing a positive outcome) and the other contained coffee beans (a negative outcome). When a third 'ambiguous' bowl was introduced, the researchers observed whether or not the pigs approached the third feeding bowl expecting more sweets (another positive outcome), thus showing how optimistic or pessimistic each pig was.

Pigs with a proactive personality type were more likely to respond optimistically regardless, but the optimism of the reactive pigs was significantly affected by their mood. Reactive pigs living in a more enriched environment, which is known to contribute to a 'good mood', were much more likely to be optimistic about the new feeding bowl.

Project leader Professor Lisa Collins, from the University of Lincoln's School of Life Sciences, explained: "In humans, mood and personality type interact to determine cognitive bias but this was not something that had previously been investigated in any other animals. The results of our study clearly show that those pigs living in a worse environment were more pessimistic, and those in a better environment were much more optimistic. Importantly, this finding demonstrates that humans are not unique in combining longer term personality traits with shorter term mood biases when making judgments."

Dr Lucy Asher from the Institute of Neuroscience at Newcastle University was the lead author for the study. She said: "Our results suggest that judgement in pigs, and potentially in other animals, is similar to humans - incorporating aspects of stable personality traits and more transient mood states. The study provides a fascinating insight into the minds of these intelligent animals and paves the way for even more in-depth studies in the future."

--

Credit: <a href="http://www.lincoln.ac.uk/home/" target="_blank" rel="noopener">University of Lincoln</a>

Animals make life decisions based on their mood and personality type

Ever wondered how animals make decisions? Is there a lot...

According to new research at the <a href="http://www.ubc.ca/" target="_blank" rel="noopener">University of British Columbia</a>, climate change may impede the cooling effect of volcanic eruptions.

When a volcanic eruption is powerful enough, volcanoes spew sulfur gasses high into the atmosphere, reaching a layer called the stratosphere, about 10 to 15 kilometres above the Earth's surface. Here, gasses react with water to form aerosol particles that linger in the stratosphere for one or two years, reflecting sunlight and heat from the sun, and cooling the planet. On average, there are anywhere from three to five eruptions that reach the stratosphere every year.

Previous research has shown that as the planet warms, the lower layers of the atmosphere will expand, making it much harder for the gasses to reach the stratosphere. At lower levels, in the troposphere, the gasses quickly get turned into aerosols and clouds and precipitate back down to earth as rain or snow.

"Volcanic eruptions tend to counteract global warming but as the planet heats up and our atmosphere changes, we've found that fewer eruptions will be able to reflect the sun's radiation," said Thomas Aubry, a PhD student studying climate and volcanoes. "It will be harder for the volcanic gasses to reach high enough into atmosphere to help cool the planet."

Aubry notes that while the planet continues to warm, scientists have observed a slight decline in the rate of global warming over the last 10 to 15 years. Previous studies have shown that this is partially caused by the number of large eruptions over the last decade that have sent sulfur gasses high up into the stratosphere.

For this study, Aubry, who is a PhD student in professor Mark Jellinek's lab in the department of earth, ocean and atmospheric sciences, used models of volcanic eruptions and global climate to calculate the impact on gasses released from volcanic eruptions.

According to climate model projections and global warming, Aubry and his co-authors found the amount of volcanic sulfur gasses in the stratosphere will decrease anywhere from two to twelve per cent in the next 100 years. Longer term, they predict anywhere from 12 to 25 per cent less sulfur gas in the stratosphere by the 22nd and 23rd centuries. They say the range is large because it is difficult to predict future eruptions and future greenhouse gas emissions.

To determine the precise impact on the Earth's surface temperature in the future will require further study. It also raises interesting questions about Earth's history.

"Understanding this positive feedback loop has provocative implications for understanding climate variability in Earth's past," said Jellinek. "In particular, this mechanism may have contributed to Earth's entry into a long period of global glaciation around 700 million years ago, a theory known as the Snowball Earth hypothesis."

Climate change may impede the cooling effects of volcanic eruptions

According to new research at the University of British Columbia,...

As opponents continue to hold protests across the country, the company building the $3.8 billion Dakota Access oil pipeline has asked a federal judge's permission to circumvent President Barack Obama's administration and move ahead with a disputed section of the project in North Dakota.
Dallas-based Energy Transfer Partners and a subsidiary asked the court on Tuesday to let them lay pipe under a Missouri River reservoir, a plan the Standing Rock Sioux tribe says threatens its drinking water and cultural sites. <a href="http://www.usace.army.mil/" target="_blank" rel="noopener">The Army Corps of Engineers</a> said Monday it needs more time to study the impact of the plan.
While President-elect Donald Trump, a pipeline supporter, likely would greenlight the project when he takes office in January, the company is trying to win federal approval - or a court order - to allow it to go forward sooner. The delay has already cost nearly $100 million, the company said in court documents, "and further delay in the consideration of this case would add millions of dollars more each month in costs which cannot be recovered."
In a statement Tuesday, the company blamed the Obama administration for "political interference" in the pipeline review process.
The Army Corps referred a request for comment to the Justice Department, which declined comment.
Protests were being held Tuesday across the country, from California to Vermont. Activists called for demonstrations at Army Corps of Engineers offices and at banks financing the pipeline construction.
More than two dozen people were arrested near Mandan, North Dakota, after a group of about 400 protesters put a truck and tree branches on BNSF Railway tracks near a pipeline work staging area and tried to set it on fire, Morton County sheriff's spokesman Rob Keller said.
"They had a rope soaked with kerosene," he said. "A (Highway Patrol) trooper with an extinguisher doused it so it wouldn't light."
Trains were delayed three hours, railroad spokeswoman Amy McBeth said. Officers in riot gear used pepper spray and in one instance a stun gun against protesters who refused to leave.
Mandan is about 50 miles north of a camp where hundreds of protesters have gathered in recent months to oppose the pipeline. Robert F. Kennedy Jr., an environmental attorney and president of the New York-based Waterkeeper Alliance, which seeks to protect watersheds worldwide, visited the camp Tuesday, speaking out against the arrests of protesters and a project he says will benefit billionaires and not the American people.
"What they are doing here is a crime, an environmental crime, and there are real victims," he said.
In Columbus, Ohio, police reported an activist blocked traffic by handcuffing himself under a vehicle at a downtown intersection. In Montpelier, Vermont, more than 100 people gathered outside a bank, chanting, singing songs and holding signs saying "Water is Life" and "Standing With Standing Rock."
"It may seem hopeless, like David against Goliath, but we believe that if we're persistent and we recruit, that this movement will grow and hopefully these kinds of projects will stop," said protester Lee Shen of Thetford Center, Vermont.
The Corps on Monday called for more study and input from the Standing Rock Sioux before it decides whether to allow the pipeline to cross under Lake Oahe. The 1,200-mile pipeline that's to carry North Dakota oil through South Dakota and Iowa to a shipping point in Illinois is largely complete except for that stretch, which will skirt the tribe's reservation.
Gov. Jack Dalrymple said Tuesday that an additional delay "does nothing but prolong and intensify the public safety issues imposed on Morton County and the state of North Dakota since the beginning of August," when protests against the pipeline broke out. In his statement, Dalrymple said a decision on the project easement "is long overdue" and that the pipeline would be safe.
The Corps in July granted Energy Transfer Partners the permits needed for the project, but it said in September that further analysis was warranted, given the tribe's concerns. Its announcement Monday came amid speculation that federal officials were on the brink of approving the crossing. ETP last week began preparing equipment to bore under the river.
ETP disputes that the pipeline would endanger the tribe, and CEO Kelcy Warren noted earlier that Army Assistant Secretary Jo-Ellen Darcy had informed company officials and Tribal Chairman Dave Archambault that the Corps' previous permit decisions "comported with legal requirements." ETP contends that the Corps has no legal justification for the delay.
--
Source: Associated Press

Dakota Access oil pipeline asks court for permission to proceed

As opponents continue to hold protests across the country, the...

Five Gulf states damaged by the Deepwater Horizon oil spill will divvy up nearly $370 million for an array of projects that will create new wetlands, restore fisheries, aid sea turtles and more.
<a href="http://www.nfwf.org/" target="_blank" rel="noopener">The National Fish and Wildlife Foundation</a> announced the grants Tuesday for Louisiana, Texas, Mississippi, Alabama and Florida as those states strive to bounce back from one of the largest environmental disasters in history.
The Deepwater Horizon oil spill dumped millions of barrels of oil spewed into the Gulf of Mexico for 87 days after an offshore rig fire and explosion in April 2010. British Petroleum, which was found primarily responsible for the spill, has paid billions in cleanup costs, settlements and penalties.
The funding announced Tuesday in New Orleans is the fourth and largest round of grants yet that the foundation - which oversees part of the money from criminal penalties paid by BP and other defendants - is allotting for the Gulf's recovery. That fund is getting a total of $2.5 billion over five years for projects to repair the damage.
In a statement it said Louisiana is getting more than $245 million, Alabama roughly $63 million, Florida more than $32 million, Mississippi $16.2 million and Texas nearly $12 million. Among other projects, the money will help:
- Louisiana plans for engineering and design of two major projects to divert sediment from the Mississippi River, creating new wetlands.
- Alabama and Texas to buy land and restore significant coastal habitats.
- Florida to monitor fisheries and improving the response to sea turtle stranding.
- Mississippi to expand a program to monitor and help coastal birds and one to protect marine mammals and sea turtles.
Tanner Johnson, director of the fund, said BP PLC and other defendants will make two more payments from the Deepwater Horizon oil spill settlement totaling about $1 billion by Jan. 30, 2018.
Environmentalists who were not involved in the process said they were encouraged by the announcement, made at a news conference in New Orleans.
The National Wildlife Foundation is "really excited about the projects that are coming through this round," said Amanda Fuller, deputy director of that group's Gulf of Mexico restoration project.
She praised strategic land acquisitions as crucial to creating healthy estuaries and wetlands after the damage of oil-stained coasts in 2010.
One Texas project will move fresh water from the Sabine River into 18,000 acres of wetlands in that coastal watershed, she said.
"It's particularly interesting in Texas, which is a drought-prone state with issues in maintaining adequate flow," Fuller said.
--
Source: Associated Press

Gulf states get $370 million to fix damage from Deepwater Horizon oil spill

Five Gulf states damaged by the Deepwater Horizon oil spill...

Despite the recent election of Donald Trump, a climate change denier, as president of the United States, Secretary of State John Kerry is refusing to allow all of his hard work on U.S. climate change targets to be reversed without a fight.
John Kerry made a stirring appeal Wednesday to all countries - including his own - to press ahead with the fight against climate change, saying a failure to do so would be a "betrayal of devastating consequences."
Without mentioning Donald Trump by name, Kerry's speech at the U.N. climate talks was partly aimed at the Republican president-elect who has called global warming a "hoax" and has pledged to "cancel" the Paris deal limiting greenhouse gas emissions.
"No one has the right to make decisions that affect billions of people based solely on ideology or without proper input," Kerry said.
The U.S. election outcome has created deep uncertainty about the U.S. role in international climate talks - and about the <a href="http://unfccc.int/paris_agreement/items/9485.php" target="_blank" rel="noopener">Paris Agreement</a> adopted last year by more than 190 countries. But Kerry said the U.S. was already in the midst of a clean energy transition to reach climate change targets that would continue regardless of policy-making.
"I can tell you with confidence that the United States is right now today on our way to meeting all of the international targets we have set," Kerry said. "Because of the market decisions that are being made, I do not believe that that can or will be reversed."
The Obama administration pledged during the Paris negotiations to reduce U.S. emissions by 26-28 percent from 2005 levels by 2025.
Kerry said an "overwhelming majority" of Americans know that climate change is happening and support the U.S. commitments under the Paris deal.
Falling short of hitting climate change targets would be a "moral failure, a betrayal of devastating consequences," he said.
With 2016 on track to be the hottest year on record, Kerry said the impacts of global warming are now evident across the world with record-breaking droughts, rising sea levels, unusual storms and millions of people displaced by weather events.
"At some point even the strongest skeptic has to acknowledge that something disturbing is happening," he said.
Kerry said climate change shouldn't be a partisan issue and noted that military and intelligence leaders have recognized its potential as a "threat-multiplier."
He asked leaders in all parts of the world, "including my own," to inform themselves about climate change by talking to scientists, economists, business leaders and other experts.
"I ask you on behalf of billions of people around the world ... do your own diligence before making irrevocable choices," he said.
--
Source: Associated Press

John Kerry: America's climate change targets won't be reversed

Despite the recent election of Donald Trump, a climate change denier,...

President Barack Obama continues to utilize his remaining days in office to issue rules meant to protect and heal the environment. On Tuesday, the Obama administration issued a rule intended to clamp down on oil companies using 'gas flaring' to burn off natural gas on public lands.
The new rule seeks to reduce waste and harmful methane emissions from 'gas flaring' as part of a strategy to address climate change. But a new Republican administration under President-elect Donald Trump could reconsider the rule or even scrap it, although any effort to do so would likely take months.
Trump has said he will seek to sharply increase oil and gas drilling on federal lands and said on the campaign trail that restrictions supported by Obama and Democratic presidential candidate Hillary Clinton would hurt energy-producing states such as Colorado.
Energy companies frequently us 'gas flaring' to burn off vast supplies of natural gas at drilling sites because it makes less money than oil. A government report said an estimated 40 percent of the gas being flared or vented could be captured economically and sold.
Interior Secretary Sally Jewell said the new rule updates 30-year-old drilling regulations to meet modern standards and ensure that natural gas is used to power the economy - not wasted by being burned into the atmosphere. The rule is set to take effect in mid-January - days before Obama leaves office.
"This rule to prevent waste of our nation's natural gas supplies is good government, plain and simple," Jewell said in a statement. "We are proving that we can cut harmful methane emissions from 'gas flaring' that contribute to climate change, while putting in place standards that make good economic sense for the nation."
Congressional Republicans vowed to overturn the rule, calling it a "midnight regulation" that will drive away jobs from federal land in the West.
House Majority Leader Kevin McCarthy said in a letter to Obama that lawmakers will review all regulations issued in the next two months and overturn them if appropriate.
Under the new rule, energy companies that drill on 245 million acres of public land, mostly in the West, will be required to capture natural gas that can be used to generate power for millions of homes and businesses. Between 2009 and 2014, enough natural gas was lost through venting, flaring and leaks to power more than 5 million homes for a year, Jewell said.
The new rule also should generate tens of millions of dollars a year that can be returned to taxpayers, tribes and states while reducing pollution, Jewell said.
The rule, developed by Interior's <a href="http://www.blm.gov" target="_blank" rel="noopener">Bureau of Land Management</a>, will require oil and gas producers to limit the rate of flaring at oil wells on public and tribal lands, periodically inspect their operations for leaks and replace outdated equipment that vents large quantities of gas into the air.
Most of the gas being burned at drilling sites is methane, a powerful greenhouse gas that is about 25 times more potent at trapping heat than carbon dioxide, although it does not stay in the air as long. Methane emissions make up about 9 percent of U.S. greenhouse gas emissions, according to government estimates.
The oil industry has argued that new regulations are not needed for methane because the industry already has a financial incentive to capture and sell natural gas. Methane emissions have been reduced by 21 percent since 1990 even as production has boomed, according to the Western Energy Alliance, an industry group.
The energy alliance, along with a group representing independent petroleum producers, challenged the rule in federal court in Wyoming Tuesday, saying the rule goes beyond authority granted by Congress.
"We support the goals of capturing greater quantities of associated gas and reducing waste gas, but overreaching regulation that fails to acknowledge industry success is not the most effective way to meet those goals," said Kathleen Sgamma, a spokeswoman at the Denver-based energy alliance.
Fred Krupp, president of the Environmental Defense Fund, said the new rule "will conserve an important domestic resource, improve air quality, lower asthma attacks and slow climate change," all while protecting taxpayers.
--
Source: Associated Press

Obama issues rule to limit 'gas flaring' at oil and gas drilling sites

President Barack Obama continues to utilize his remaining days in office...

According to researchers, milk has done the body good for thousands of years. 

Scientists have recently discovered widespread evidence of prehistoric milk production in southern Europe.

The study, a collaboration between the University of York, the University of Bristol, and the Centre National de la Recherche Scientifique, uncovered evidence that humans have been utilizing milk and dairy products across the northern Mediterranean region from the onset of agriculture - some 9,000 years ago.

The importance of meat and dairy production in the Neolithic Mediterranean area remains a topic of debate, with previous research showing that the attraction for milk may have been a driving force for the domestication of cud-chewing animals like cows, goats and sheep.

This study combined evidence of the presence of milk and carcass fats in more than 500 pottery vessels together with an examination of the ages at death of domesticated animals excavated from 82 sites dating from the 7th to 5th millennia BC.

The findings show varying intensities of dairying and non-dairying activities in the northern Mediterranean region, with the slaughter profiles of the animals mirroring the fats detected in cooking pots.

Dr Cynthianne Spiteri, Junior Professor of Archaeometry at the University of Tübingen, who conducted the residue analysis as part of her PhD at the University of York's Department of Archaeology, said: "At the onset of food production in the northern Mediterranean region, milk was an important resource to these early farming communities.

"It is likely to have played an important role in providing a nourishing and storable food product which was able to sustain early farmers, and consequently, the spread of farming in the western Mediterranean."

Dr Mélanie Roffet-Salque and Professor Richard Evershed, from the University of Bristol's School of Chemistry said: "In this work, we integrate for the first time the findings of the analyses of lipid fats extracted from hundreds of cooking pots with the reconstruction of the actual herds at tens of sites, based on the remains of sheep, goats and cattle.

"Some of our earlier work had demonstrated that milk use was highly regionalized in the Near East in the 7th millennium BC, and this new multidisciplinary study further emphasizes the existence of diverse use of animal products in the northern Mediterranean Neolithic.

"Dairying was clearly practiced both in the east and west of the region, but surprisingly not in Northern Greece, where the lipids from pots and the animal bones tell the same story: meat production was the main activity not dairying."

Dr Rosalind Gillis and Dr Jean-Denis Vigne, archaeozoologists at the Centre National de la Recherche Scientifique in the National Museum of Natural History in Paris added: "The choice of raising certain domesticates for their milk would have been heavily influenced by the landscape around the Neolithic communities. For example, rugged terrains are more suitable for sheep and goats. And open well-watered landscapes are better suited for cattle."

Professor Oliver Craig from the University of York's Department of Archaeology said the findings were particularly relevant as much of the population in that region today can't digest milk.

He added: "We presume this was also true back in the early Neolithic period, although this is still to be confirmed through genetic testing of ancient skeletons. Despite this deficiency, our research shows that they certainly exploited milk because we have found organic remnants in the pots they were using. This implies they were transforming milk into dairy products, such as yogurt and cheese, to remove the lactose.

"Despite dairying being a multi-billion pound global industry, we know that much of the world's population today are still intolerant to lactose so it is very important to know at what point people in the past were exposed to it and how long they have had to adapt to it."

The study, which was partly funded by The Natural Environment Research Council (NERC) and the European Union, is published today in the Proceedings of the National Academy of Sciences of the United States of America.

--

Credit: <a href="http://www.york.ac.uk/" target="_blank">University of York</a>

Humans have been using milk and dairy products for 9000 years

According to researchers, milk has done the body good for...

A group of conservation scientists and policy makers led by University of Adelaide researchers are calling for global action to combat the illegal timber trade.

They say governments and organisations responsible for protecting wildlife and forests around the world and certification schemes need to "catch up with the science" and put in place policies and frameworks to ensure the legality of timber being logged and traded around the world.

Consumers too need to play their part in demanding verification of the origin and legality of the timber items they buy, they say.

Illegal logging is a major cause of forest degradation and loss of biodiversity, and accounts for between an estimated 15-30% of the global trade in timber, worth US$30-100 billion annually.

The scientists have published their recommendations in the journal BioScience - detailing the range of scientific methods available for timber identification and how they can be applied within the timber supply chain. The work is a collaboration between the University of Adelaide, timber-tracking specialists Double Helix Tracking Technologies, the USDA Forest Service, INTERPOL and other research and forestry organisations.

The recommendations stem from work commissioned by the United Nations Office of Drugs and Crime in support of the UN Resolution 23/1 from May 2014 on "strengthening a targeted crime prevention and criminal justice response to combat illicit trafficking in forest products, including timber".

"We now have the scientific capability to identify and track illegally logged timber through the supply chain through DNA profiling, DNA barcoding and other means," says lead author Professor Andrew Lowe, from the Environment Institute at the University of Adelaide. "But now we need the policy and regulatory framework to incorporate scientific verification."

"Illegal logging is a huge problem globally, driven as much by demand from consumer countries (including Australia) as from producer nations," says co-author Dr Eleanor Dormontt, who was employed by the UN to write the recommendations.

"Our paper is the first to bring together the various scientific methodologies available for timber identification and consider how best they can be applied in timber supply chains to promote legality.

"We are all implicit in the exploitation of the world's forests, and even the most conscientious consumer has a reasonably high chance of purchasing or otherwise handling illegal wood products in their lifetime. Scientists, policy makers, NGOs, graders, foresters and the general public all have a part to play.

"The reality is that changes to timber supply chains can be made to improve their transparency, legality and sustainability. We need a coordinated international effort to make it happen."

--

Credit: <a href="http://www.adelaide.edu.au/" target="_blank" rel="noopener">University of Adelaide</a>

Conservationists call for global action to combat illegal timber trade

A group of conservation scientists and policy makers led by...

Add cockatoos to the growing list of  species capable of making tools.

Researchers from the University of Veterinary Medicine in Vienna and the University of Oxford have shown that Goffin's cockatoos can make and use elongated tools of appropriate shape and length out of different materials, suggesting that the birds can anticipate how the tools will be used.

Tool manufacture was once regarded as a defining feature of mankind, but it is now known that a variety of animal species use and make their own tools. In nature, some of the most striking cases of tool-related behavior are seen not just among close relatives of Homo sapiens, such as chimps and other primates, but among birds including crows, vultures and Galapagos finches.

In all cases, what makes this possible is possessing the right combination of heritable and acquired competencies, as well as being capable of a degree of individual creativity. Goffin's cockatoos is a particularly interesting example for scientists to study, as it has unlikely to have a repertoire of inherited tool-related skills and relies more on innovation and problem-solving.

Goffin's cockatoos, which is native to Indonesia, is neither known to use tools in the wild nor to have evolved related abilities for manipulating twigs for other purposes such as nest building. One bird, called Figaro, previously displayed the ability to spontaneously (ie without training) make tools by biting long splinters out of the wooden beams of its cage, which he then used to rake pieces of food that were otherwise out of reach. Three others have since followed, showing that making such tools is within the capacity of the species.

While impressive, these feats do not prove sensitivity to the need for the tools to be of a particular shape: because wood is fibrous, biting and pulling actions naturally split it into the long, narrow pieces necessary to succeed. If individuals are capable of anticipating the requirements of each tool, they should be able to produce functional instruments by displaying different actions and using different materials.

To test if the birds were in fact aiming to make elongated tools that could bridge a particular distance, the researchers gave them the problem of reaching a piece of food placed a few centimeters beyond a circular hole in the transparent wall of a box. They were given four different materials that required different manipulations to produce suitable tools: larch wood (already familiar to them), leafy beech twigs (which had to be trimmed to be functional), cardboard (which, lacking a fibrous structure, could be cut into any shape and length), and totally amorphous beeswax.

Dr Alice Auersperg, who heads the Goffin Laboratory in the Messerli Research Institute at the University of Veterinary Medicine, Vienna, said: 'While none of the birds succeeded in making tools out of beeswax, we found that at least some of them could make suitable tools from the three remaining materials.'

The successful parrots made well-shaped tools, even though each material required different manipulation techniques. To make tools out of larch wood, they bit the material once or twice and tore off the resulting splinter. To use the leafy twigs, they snapped off redundant leaves and side branches until what was left was usable. Finally, to make cardboard tools they simply cut what was necessary from the edge of the sheet provided.

Dr Auersperg added: 'To us, the tools made from cardboard were the most interesting ones, as this material was not pre-structured and required the birds to shape their tools more actively. They succeeded by placing a large number of parallel bite marks along the edge of the material like a hole punch, using their curved upper beak to cut the elongated piece out of the cardboard block after reaching a certain length. Interestingly, this length was usually just above or very close to the minimum length required to reach the food reward placed behind the barrier.'

Co-author Professor Alex Kacelnik, from the University of Oxford's Department of Zoology, said: 'Ultimately, we want to understand how animals think - namely, to produce the equivalent of explicit computer programs capable of doing what the birds do. We really don't know if the birds can picture in their minds an object that doesn't yet exist and follow this image as a template to build something new, or how their brains elicit the appropriate set of movements to organize their response to novel problems, but this is what we are trying to find out.

'Studying tool-making in species like Goffin's cockatoos, which does not make tools naturally, is especially revealing, as these birds cannot do it by following pre-programmed instructions evolved to solve this specific problem. These cockatoos, like other parrots, offer wonderful research opportunities: their intelligence is flexible and powerful, they can solve physical and logical problems, they can learn from watching the behavior of others, they can learn about the surrounding objects by playing - and now it seems plausible that they can imagine which object would allow them to solve a new problem and go on to build it. I am sure that they will keep surprising us.'

--

Credit: <a href="http://www.oxford.ac.uk" target="_blank" rel="noopener">University of Oxford</a>

Goffin's cockatoos seen making sophisticated tools

Add cockatoos to the growing list of  species capable of...

President-elect Donald Trump is considering an oil billionaire and a North Dakota lawmaker for top posts as he moves to roll back President Barack Obama's environmental and energy policies and allow unfettered production of oil, coal and natural gas.
Trump has vowed to rescind "all job-destroying Obama executive actions" and pledges to sharply increase oil and gas drilling on federal lands while opening up offshore drilling in the Atlantic Ocean and other areas where it is blocked.
Topping Trump's to-do list is repealing the <a href="https://www.epa.gov/cleanpowerplan/clean-power-plan-existing-power-plants" target="_blank" rel="noopener">Clean Power Plan</a>, Obama's signature effort to limit carbon pollution from coal-fired power plants. The plan - the linchpin of Obama's strategy to fight climate change - is currently on hold awaiting a court ruling.
Trump also is targeting recent Obama administration efforts to reduce air and water pollution that have been opposed by Republicans and industries that profit from the extraction and burning of fossil fuels, including a rule to protect small streams and wetlands and ozone regulations designed to cut down on smog.
Those under consideration for energy secretary include Harold Hamm, an Oklahoma oil tycoon and leading proponent of fracking, and North Dakota Rep. Kevin Cramer, an early Trump supporter from a major oil drilling state, according to transition planning documents obtained by The Associated Press.
Venture capitalist Robert Grady, who worked in President George H.W. Bush's administration, is listed as a contender to lead both the Energy and Interior departments.
Cramer told reporters Monday he is happy to stay in Congress, especially "with a friend in the White House. And if another good friend like Harold Hamm would become secretary of energy, I'd feel like I won the lottery."
A coalition of conservative states has challenged both the Clean Power Plan and the water rule, which expanded the definition of waters protected under the <a href="https://www.epa.gov/laws-regulations/summary-clean-water-act" target="_blank" rel="noopener">Clean Water Act</a> to smaller non-navigable waters and seasonal tributaries.
The administration says the rule would safeguard drinking water for 117 million people, but Republicans and some Democrats representing rural areas say the regulations are costly, confusing and amount to a government power grab. Federal courts have put the rules on hold as judges review lawsuits.
Trump also is likely to move quickly to approve the Keystone XL oil pipeline from Canada, which Obama rejected last year. Trump highlighted the project at a campaign stop in Florida last month and listed it among his top priorities for the first 100 days of his administration.
Karen Harbert, president and CEO of the U.S. Chamber of Commerce's Institute for 21st Century Energy, said Trump can and will move quickly to overturn Obama's executive orders. From there, he will likely move to approve a new five-year plan that vastly expands offshore drilling and lift a moratorium on coal leasing on federal lands.
"If you have a good offense and a good defense you will win," Harbert said. Whoever Trump picks for key jobs will share his goals of "moving fast, changing the process which is not working now and getting things done," she said.
Obama said Monday that Trump should be in no hurry to make changes, citing U.S. progress on reducing carbon emissions even as the price of gasoline hovers nears $2 a gallon. Trump and his team "may want to take the country in a significantly different direction, but they've got time to consider what exactly they want to achieve," Obama said at a news conference.
Environmental groups don't plan to make Trump's job easy.
"We intend to fight like mad, both in the courts and in the streets, to resist any rollbacks by the Trump administration," said Michael Brune, executive director of the Sierra Club.
Some of those protests have already begun. Groups opposing the construction of an oil pipeline through the Midwest are planning more than 200 protest actions across the country Tuesday.
The Army Corps of Engineers said Monday it wants more study and tribal input before approving the $3.8 billion Dakota Access pipeline from North Dakota to Illinois. The Standing Rock Sioux says the pipeline threatens its drinking water and cultural sites.
Even as they gear up to oppose Trump, Brune said environmentalists may find some common ground with the president-elect. Renewable energy sources such as wind and solar power not only help fight climate change but are creating thousands of new jobs across the country, he said.
"If President-elect Trump is looking for a stimulus in energy he will find it in the solar and wind industries," Brune said.
Trump has said tax credits and other subsidies for wind and solar power "distort" the market, but says the U.S. should "encourage all facets of the energy industry," including wind and solar power, as a way to achieve energy independence.
AP Congressional Correspondent Erica Werner contributed to this story.
--
Source: Associated Press

Trump is planning to reverse Obama's environmental and energy policies

President-elect Donald Trump is considering an oil billionaire and a...

Global carbon emissions flattened out in 2015, and are predicted to rise minimally in 2016, marking three full years of very low growth, according to researchers at the University of East Anglia (UEA) and the Global Carbon Project.

The projected rise of only 0.2% for 2016 marks a clear break from the rapid emissions growth of 2.3% per year in the decade to 2013, with just 0.7 per cent growth seen in 2014.

The new data is published in the journal Earth System Science Data. It shows emissions growth remained below 1 per cent despite GDP growth exceeding 3 per cent.

Decreased use of coal in China is the main reason behind the 3-year slowdown.

Prof Corinne Le Quéré, Director of the Tyndall Centre at UEA who led the data analysis, said: “This third year of almost no growth in emissions is unprecedented at a time of strong economic growth. This is a great help for tackling climate change but it is not enough. Global emissions now need to decrease rapidly, not just stop growing.”

China – the biggest emitter of CO2 at 29 per cent – saw emissions decrease by 0.7 per cent in 2015, compared to growth of more than 5 percent per year the previous decade. A further reduction of 0.5 per cent is projected for 2016, though with large uncertainties.

The USA, the second biggest emitter of CO2 at 15 per cent, also reduced its coal use while increasing its oil and gas consumption and saw emissions decrease 2.6 per cent last year. USA emissions are projected to decrease by 1.7 per cent in 2016.

The EU’s 28 member states are the third largest emitter causing 10 per cent of emissions. The EU’s CO2 emissions went up 1.4 percent in 2015, in contrast with longer term decreases.

India contributed 6.3 per cent of all global CO2 emissions, with their emissions increasing 5.2 percent, in 2015 continuing a period of strong growth.

Although the break in emissions rise ties in with the pledges by countries to decrease emissions until 2030, it falls short of the reductions needed to limit climate change well below 2 degrees Celsius.

Prof Le Quéré said: “If climate negotiators in Marrakesh can build momentum for further cuts in emissions, we could be making a serious start to addressing climate change.”

The Global Carbon Budget analysis also shows that, in spite of a lack of growth in emissions, the growth in atmospheric CO2 concentration was a record-high in 2015, and could be a record again in 2016 due to weak carbon sinks.

Prof Le Quéré said: “Part of the CO2 emissions are absorbed by the ocean and by trees. With temperatures soaring in 2015 and 2016, less CO2 was absorbed by trees because of the hot and dry conditions related to the El Niño event. Atmospheric CO2 levels have exceeded 400 parts per million (ppm) and will continue to rise and cause the planet to warm until emissions are cut down to near zero.”

The Global Carbon Project’s estimation of global CO2 emissions and their fate in the atmosphere, land and ocean is a major effort by the research community to bring together measurements, statistics on human activities, with analysis of model results.

Prof Le Quéré stressed the need for reporting such as the Global Carbon Budget to inform decisions and actions on how to respond to climate change.

Dr Glen Peters of the Center for International Climate and Environmental Research in Norway, who co-authored the analysis, said: “Emissions growth in the next few years will depend on whether energy and climate policies can lock in the new trends, and importantly, raise the ambition of emission pledges to be more consistent with the temperature goals of the Paris Agreement.”

---

Credit: <a href="https://www.uea.ac.uk/" target="_blank" rel="noopener">University of East Anglia</a>

Global carbon emissions slow down for third straight year

Global carbon emissions flattened out in 2015, and are predicted to...

Scientists are transforming chocolate into a functional food by infusing it with probiotics and prebiotics, aiming to create a treat that satisfies cravings while supporting gut health. 



The challenge lies in maintaining chocolate's beloved texture and flavor while adding health benefits.



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Probiotics - beneficial microbes that balance gut bacteria and aid digestion - are typically fragile and can be destroyed by stomach acid or processing. 



Prebiotics act as food for these microbes, helping them thrive. Together, they form "synbiotics," a powerful health combination.



Researchers Smriti Gaur and Shubhi Singh from India's Jaypee Institute of Information Technology took an innovative approach, using natural prebiotics like corn and honey instead of complex processing methods. 



They created five chocolate varieties: a control and four synbiotic versions containing different combinations of prebiotics, probiotics (Lactobacillus strains), and flavor enhancers (cinnamon or orange).



Laboratory simulations of human digestion showed the probiotics remained viable for over five hours, suggesting they could survive long enough to benefit gut health.



Taste tests were positive, with researchers particularly enjoying the orange-flavored variety, describing it as having "vibrant citrus notes" complementing the "rich cocoa" with a "luxurious" texture.



This research represents just the beginning. With further refinement of strains, textures, and flavors, chocolate could evolve beyond mere indulgence to become a functional food that nourishes while it delights.



The study is published in the journal <a href="https://pubs.acs.org/doi/10.1021/acsfoodscitech.4c00741" target="_blank" rel="noreferrer noopener">ACS Food Science &amp; Technology</a>.

Is chocolate the next nutritional powerhouse?

Scientists are transforming chocolate into a functional food by infusing...

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



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



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



Video/ Image Credit: ESA



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

Nushagak Bay in southwest Alaska

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



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



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



Video/ Image Credit: American Chemical Society&nbsp;



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



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

Flu viruses are more flexible than expected

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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.esa.int/">European Space Agency</a> features Kainji Lake, a reservoir on the Niger River.



In 1968, Kainji Lake was created by the construction of the Kainji Dam. The Niger River, the third longest in Africa, enters the lake in the north.&nbsp;



According to <a href="https://www.earth.com/news/rivers-in-the-american-west-are-a-lifesaving-resource-for-birds/">ESA</a>, the creation of the lake submerged Foge Island and the town of Bussa and permanently flooded other riverine settlements, leaving around 50,000 people displaced.&nbsp;



Large parts of Foge Island are temporarily exposed during low water tides, and the land is often used by migrating fishermen. Kainji Dam is a dam across the Niger River in Niger State of Central Nigeria. 



Wild mammals occur at relatively low densities due to illegal hunting. Lake Kainji has suffered a dramatic decline as a fishery due to the high numbers of artisanal and subsistence fisherfolk using the lake. It has been suggested that a period of closure, together with controlled fishing rights may help improve fish stocks.



Kainji Lake National Park is the oldest of its kind in Nigeria. The park contains three distinct areas: a part of the Kainji Lake, the Borgu Game Reserve to the west of the lake, and the Zugurma Game Reserve to the southeast. The park is home to around 65 mammal species, 350 bird species, and 30 species of reptiles and amphibians. 



Video/ Image Credit: European Space Agency&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.

Kainji Lake in north central Nigeria

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Today’s Video of the Day from <a href="https://www.igb.illinois.edu/">Carl R. Woese Institute for Genomic Biology</a> reveals how scientists can modify common crops like soybean, rice, and wheat to protect them from heat stress.



“We need to double crop production by 2050 to feed a growing global population, and not only are we not on track to do that, but climate change is further complicating things,” said Amanda Cavanagh, a lecturer at the University of Essex. 



The study is part of Realizing Increased Photosynthetic Efficiency (RIPE), an international research project that aims to develop food crops that turn the sun’s energy into food more efficiently.



“Using an engineering approach we designed multiple alternative metabolic pathways to photorespiration. Testing them in the field showed increases in productivity which led Amanda to significantly move the project forward by showing our engineered plants can withstand pretty extreme temperature stress,” said study co-author and RIPE researcher Paul South.&nbsp;



“As the climate changes and temperature stresses increase the pressure on our global food supply, farmers will need every tool available including engineering approaches like the synthetic biology used here to maintain safe and productive harvests.”



The experts tested plants modified to have more efficient photorespiration to see if they were better adapted to warmer temperatures.&nbsp;



The team found that the engineered plants produced 26 percent more biomass than the wild-type plants exposed to the same temperatures, and had 15 percent less yield loss under the higher temperatures.



Video Credit: Amanda Nguyen/University of Illinois



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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.

Designing crops that can beat the heat

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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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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes the first comprehensive estimate of carbon density in the Saharan, Sahel, and Sudanian zones of Africa. In an effort to measure the amount of carbon stored across these drylands, a team of scientists used high-resolution satellite images and artificial intelligence to map nearly 10 billion individual trees. 



"The high spatial resolution (50 cm) combined with AI and field measurements used in this study is key to improving tree inventories in drylands," said Pierre Hiernaux, a French researcher working for NASA. "The ever-increasing availability of very high-resolution satellite imagery will make it possible to assess carbon pools and their dynamics at the individual tree level on a global scale."



"This study is exceptional because it is pioneering a type of approach that will revolutionize the monitoring of trees and forests on a global scale: in the short term, it will be possible to map the world's trees from the centre of the Amazon to our schoolyards," said <a href="https://www.inrae.fr/en">INRAE</a> researcher Jean-Pierre Wigneron.



"Many fields of application will become much more efficient and accurate, such as tracking carbon stocks, biodiversity, monitoring logging and protection against illegal forest degradation, in near real time.”



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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Remote sensing will revolutionize the way we monitor trees

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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



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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://www.nasa.gov/goddard">NASA Goddard</a> features a visual dataset of.methane emissions from wetlands across the globe. Atmospheric methane levels have reached record highs in recent years, and wetlands are a major source of these emissions.&nbsp;



"Methane is an important greenhouse gas that contributes substantially to global warming. On a molecule by molecule basis, methane is much more efficient at trapping heat than carbon dioxide, the main driver of warming," says NASA.



"Though human activities, including agriculture, oil and natural gas production and use, and waste disposal, collectively contribute the majority of methane to the atmosphere, about a third of total methane emissions comes from wetlands."&nbsp;



According to NASA, understanding methane emissions from wetlands and other natural sources is critically important for scientists and policymakers who are working to combat climate change by reducing emissions from human activities.



Video Credit: NASA Goddard



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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.

Wetlands are a major source of methane emissions

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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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Today’s Video of the Day from <a href="https://www.stowers.org/">Stowers Institute for Medical Research</a> describes why experts are studying zebrafish to gain a better understanding of how the immune system responds to injury. Zebrafish have the ability to repair and regenerate organs.



“Organ regeneration offers an exciting opportunity for studying the immune system and to inquire why some species can regenerate organs like the heart or missing limbs while others like humans cannot,” explained Dr. Tatjana Piotrowski.



Zebrafish sensory organ hair cells are an ideal system to investigate the pathways and cell types involved in regeneration since they are easily destroyed with antibiotics and begin regenerating within five hours. This enabled the researchers to identify the exact timing and genetic programs for each anti-inflammatory macrophage activation state.&nbsp;



“Our hypothesis is that human macrophages do not receive the proper chemical activation 'cocktail' to instruct pro-regenerative processes,” said Dr. Nicolas Denans. “Identifying the molecular recipe of macrophage activation in zebrafish may one day enable us to design regenerative immunotherapies in humans.”&nbsp;&nbsp;&nbsp;



“The new evidence is a valuable resource for comparative studies on the genetic programs involved in macrophage-mediated repair and regeneration. In other words, different types of injuries may induce different kinds of inflammatory responses. We want to decipher whether this 'language' is universal or if there are a variety of dialects."



Video Credit: Stowers Institute for Medical Research&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.

How the immune system responds to injury

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes how record-breaking heat expressed itself around the world in 2022.



Scientists have determined that 2022 was the 5th warmest year since 1880. Furthermore, the last nine consecutive years have been the warmest on record.



From devastating floods and wildfires to natural disasters like Hurricane Ian, 2022 showed us yet again how a warming climate affects people across the globe.&nbsp;



"As we look back at 20:22 and years past, we see that each year we better understand the challenges we face and how important it is to meet them," says NASA.



Video/ Image Credit: NASA Goddard



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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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2022 illustrated the consequences of a warming climate

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Today's Video of the Day from <a href="https://www.nasa.gov/goddard">NASA Goddard</a> describes two exoplanets that are orbiting a star 218 light-years away. A team of researchers led by the University of Montreal has found evidence that these planets are "water worlds."



The experts used data from NASA’s Hubble and Spitzer Space Telescopes. They discovered that exoplanets Kepler-138 c and Kepler-138 could be composed largely of water.



"We previously thought that planets that were a bit larger than Earth were big balls of metal and rock, like scaled-up versions of Earth, and that's why we called them super-Earths," explained study co-author Björn Benneke.&nbsp;



"However, we have now shown that these two planets, Kepler-138 c and d, are quite different in nature and that a big fraction of their entire volume is likely composed of water. It is the best evidence yet for water worlds, a type of planet that was theorized by astronomers to exist for a long time."



Video Credit: NASA Goddard



Image Credit: NASA, ESA, and Leah Hustak (STScI)



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



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

Two distant planets may be "water worlds"

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



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



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



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



Video Credit: NASA Goddard&nbsp;



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



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

Satellites reveal how Earth's systems are interconnected

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