phys.org
From phys.org
New research suggests that our universe has no dark matter
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The current theoretical model for the composition of the universe is that it's made of normal matter, dark energy and dark matter. A new University of Ottawa study challenges this.
#科學 #physics #science #nanotech #materials #Technology #ycombinator #physics_news #science_news #technology_news
on Mar 15
From phys.org
Nowhere in America is safe from climate-fueled storms and fires, say scientists
3 5
Forecasters had warned for days that Hurricane Helene was likely to cause widespread devastation. But when the powerful storm struck Florida and barreled through the eastern U.S. last week, killing more than 180 people and taking whole communities offline, it still managed to come as a shock.
#storm #storms #america #climate #weather #wildfire #Environment #climatechange #climatecrisis
on Fri, 11PM
From phys.org
Shrinking augmented reality displays into eyeglasses to expand their use
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Augmented reality (AR) takes digital images and superimposes them onto real-world views. But AR is more than a new way to play video games; it could transform surgery and self-driving cars. To make the technology easier to integrate into common personal devices, researchers report in ACS...
on Sep 25
From phys.org
Asteroid that wiped out the dinosaurs may have led to the invention of 'ant agriculture'
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The event that wiped out the dinosaurs wasn't all bad. The low-light environment caused by the meteor impact some 66 million years ago favored the spread of fungi that feed on organic matter, which was abundant at the time as plants and animals were dying in droves.
5h ago
From phys.org
Drier winter habitat impacts songbirds' ability to survive migration
2 3
A new study from researchers at the Smithsonian's National Zoo and Conservation Biology Institute (NZCBI) shows environmental conditions in migratory birds' winter homes carry over to affect their ability to survive spring migration and the breeding season.
on Sat, 3PM
From phys.org
Flash flooding kills three in northern Thailand
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Flash flooding in popular Thai tourist hotspot Chiang Mai has killed three people, a health official said Sunday, as visitors evacuated hotels through knee-high muddy water and shops closed in the city center.
6h ago
From phys.org
Study calls for responsible academic research assessment
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Findings from a landmark study that could have major implications for the future of academic research assessment have been published by researchers in the University of Glasgow's Adam Smith Business School.
on Fri, 10PM
From phys.org
Nepalis fear more floods as climate change melts glaciers
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Mingma Rita Sherpa was not home when the muddy torrent roared into his village in Nepal without warning, but when he returned, he did not recognize his once beautiful settlement.
#flood #thame #flooding #Kathmandu #cryosphere #climatechange #climatecatastrophe
on Sat, 6PM
From phys.org
Scientists breed goats that produce spider silk
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(PhysOrg.com) -- Researchers from the University of Wyoming have developed a way to incorporate spiders' silk-spinning genes into goats, allowing the researchers to harvest the silk protein from the goats’ milk for a variety of applications. For instance, due to its strength and elasticity,...
13h ago
From phys.org
The medicines we take to stay healthy are harming nature. Here's what needs to change
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Evidence is mounting that modern medicines present a growing threat to ecosystems around the world. The chemicals humans ingest to stay healthy are harming fish and other animals.
#drugs #Health #nature #medicine #Environment
on Thu, 10PM
From phys.org
College students' mental health improving, more finding support
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The latest annual Healthy Minds Study, which surveyed 100,000-plus college students from 200 universities across the United States, has good news to report: There are decreases in symptoms of anxiety, depression and thoughts of suicide, and increases in receiving mental health care and support.
on Sep 13
From phys.org
New molecule can mimic the effects of fasting and exercise
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It is well known that regular exercise and periodic fasting have a series of positive effects on the body. Exercise and skipping meals makes for a stronger heart and reduces fat levels in the blood. The explanation lies in the body's natural reaction in which increasing levels of lactate (the...
on Sat, 2AM
From phys.org
Two elephants die in flash flooding in northern Thailand
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Two elephants drowned during flash flooding in popular Thai tourist hotspot Chiang Mai, their sanctuary said Sunday, as local authorities evacuated visitors from their hotels and shops closed in the city center.
11h ago
From phys.org
Scientists map fruit fly brain to reveal neural circuit insights
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A team of scientists supported by the National Institutes of Health (NIH)'s The BRAIN Initiative, including Davi Bock, Ph.D., Associate Professor of Neurological Sciences at UVM's Robert Larner, M.D. College of Medicine, recently made a substantial advancement in neurobiological research by...
4h ago
From phys.org
Novel DNA nanopores can open and close on demand for controlled drug delivery
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Scientists at TU Delft and the Max Planck Institute have made a new class of structurally adaptable 'mechanical' pores made from DNA that can transport molecules through cell membranes. These innovative nanopores can open and close on demand and, for the first time, adjust their diameter.
on Tue, 3PM
From phys.org
Why is Mount Everest so big? New research highlights a rogue river—but deeper forces are at work
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Mount Everest (also known as Chomolungma or Sagarmāthā) is famously the highest mountain in the Himalayas and indeed on Earth. But why?
6h ago
From phys.org
Southeast US reels as storm Helene death toll passes 210
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More than 210 people are now confirmed dead after Hurricane Helene carved a path of destruction through several US states, officials said Thursday, making it the second deadliest storm to hit the US mainland in more than half a century.
#us #USA #storm #helene #weather #Environment #unitedstates
on Sat, 4AM