Condensed Matter
The impact of carbon impurities on the quality of gallium nitride crystals
The wide availability of light-emitting devices (LEDs) for consumer use has led to a dramatic decrease in the cost of lighting our homes and other buildings. This is owing to the much higher efficiency of LEDs in converting ...
11 minutes ago
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Astronomy
Star cluster shines in new look from NASA's Chandra
Westerlund 1 is the biggest and closest "super" star cluster to Earth. New data from NASA's Chandra X-ray Observatory, in combination with other NASA telescopes, is helping astronomers delve deeper into this galactic factory ...
11 minutes ago
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Excessive vegetation in Arabia triggered massive butterfly migrations in 2019 across Europe and Africa: Study
Throughout much of 2019, Europe was filled with migrating butterflies. Specifically, millions of Vanessa cardui butterflies (the painted lady) created an extraordinary natural spectacle that left a lasting impression on the ...
Plants & Animals
19 minutes ago
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Success follows failure less often than expected, study finds
The platitude that failure leads to success may be both inaccurate and damaging to society, according to a paper published in the Journal of Experimental Psychology, titled "The Exaggerated Benefits of Failure."
Social Sciences
50 minutes ago
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The discovery of new turbulence transition in fusion plasmas
Fusion energy is released when two light nuclei combine to form a single heavier one (nuclear fusion reaction). Fusion energy-based power generation (fusion power plant) uses the energy generated when deuterium and tritium ...
Plasma Physics
23 minutes ago
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Fifty-year mystery of Mars' slow polar ice flow solved
Mars polar ice caps were one of the first Earth-like characteristics identified on Mars. Since the development of film in the 19th Century, researchers expected to see Earth-like activity, such as polar ice flow. Mars, however, ...
Planetary Sciences
30 minutes ago
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How transcription delivers epigenetic silencing
Two new studies which appear in Molecular Cell reveal core principles of how chromatin and transcription interconnect to regulate gene expression.
Cell & Microbiology
8 minutes ago
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Astronomers observe giant outburst of a distant X-ray binary
Using the Neutron Star Interior Composition Explorer (NICER) onboard the International Space Station, astronomers have observed a distant X-ray binary known as EXO 2030+375. The observational campaign allowed them to explore ...
Study finds no long-term impact of anesthetics on children
A University of Queensland-led study has found multiple doses of anesthetics do not compromise brain function in young children. The research paper was published in The Lancet Respiratory Medicine.
Neuroscience
22 minutes ago
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How human-derived RNA fragments help the hepatitis E virus
Why does hepatitis E become chronic in some patients, and why do medications not work? To find out, an international research team led by scientists from Bochum observed a patient with chronic hepatitis E infection over a ...
Diseases, Conditions, Syndromes
26 minutes ago
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The Future is Interdisciplinary
Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier
Medical Xpress
How human-derived RNA fragments help the hepatitis E virus
Resting tremor in focus in new Parkinson's study
Lung cancer screening found to prolong lives in real-world study
New study reveals links between social anxiety, depression and suicidal thoughts in adolescents
Glowing dye may help surgeons eradicate prostate cancer
Novel analysis methods used for Huntington's disease
People with autism turn to ChatGPT for advice on workplace issues
Girl in Australia, 2, struck with H5N1 bird flu: WHO
Can Alzheimer's really be reversed, as a new documentary claims?
Isotretinoin effective for acne in those receiving gender-affirming therapy, study shows
Optimism is just what the doctor ordered. But what if I'm already too negative?
Study: Single episode of intense exercise reduces physical activity and body temperature, contributing to weight gain
Microplastics found in every semen sample tested by research team
Bartonella DNA found in blood of patients with psychosis
Tech Xplore
Apple expected to enter AI race with ambitions to overtake the early leaders
Tunisian all-women's team eye inventors' prize for smart wheelchair
Swiss approve law boosting renewable energy generation
Swiss vote on renewable energy plan for 2050 carbon neutrality
Meta's AI can translate dozens of under-resourced languages
Tiny crop-health sensors could help cut the cost of groceries
Scientists propose converting natural gas into hydrogen directly in gas fields
Developing efficient anode catalysts for direct ammonia solid oxide fuel cells
New database features 250 AI tools that can enhance social science research
Ivory Coast bets on solar in clean energy drive
New liquid metal-based electronic logic device mimics prey-capture mechanism of Venus flytrap
Astrophysicists calculate the likelihood that Earth was exposed to cold harsh interstellar clouds 2 million years ago
Around two million years ago, Earth was a very different place, with our early human ancestors living alongside saber-toothed tigers, mastodons, and enormous rodents. And, depending on where they were, they may have been ...
Astronomy
3 hours ago
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Improved prime editing system makes gene-sized edits in human cells at therapeutic levels
Scientists at the Broad Institute of MIT and Harvard have improved a gene-editing technology that is now capable of inserting or substituting entire genes in the genome in human cells efficiently enough to be potentially ...
Biotechnology
4 hours ago
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New method could allow multi-robot teams to autonomously and reliably explore other planets
While roboticists have developed increasingly sophisticated systems over the past decades, ensuring that these systems can autonomously operate in real-world settings without mishaps often proves challenging. This is particularly ...
Virgin Galactic completes final spaceflight before two-year pause
Virgin Galactic on Saturday successfully completed its last spaceflight before heading into a two-year pause on commercial operations to upgrade its fleet, as the space tourism company seeks to finally turn a profit.
Space Exploration
Jun 9, 2024
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229
Nonreciprocal quantum batteries exhibit remarkable capacities and efficiency
In physics, nonreciprocity occurs when a system's response varies depending on the direction in which waves or signals are propagating within it. This asymmetry arises from a break in so-called time-reversal symmetry, which ...
Study finds fresh water and key conditions for life appeared on Earth a half-billion years earlier than thought
We need two ingredients for life to start on a planet: dry land and (fresh) water. Strictly, the water doesn't have to be fresh, but fresh water can only occur on dry land.
Earth Sciences
Jun 8, 2024
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Saturday Citations: Praising dogs; the evolution of brown fat; how SSRIs relieve depression. Plus: Boeing's Starliner
If there's one thing I've learned about dogs, it's that praise is super-effective for training; a new Hungarian study confirms these anecdotal findings and reinforces that notion that praise is more effective as a pedagogical ...
New method optimizes lithium extraction from seawater and groundwater
As the electric vehicle market booms, the demand for lithium—the mineral required for lithium-ion batteries—has also soared. Global lithium production has more than tripled in the last decade. But current methods of extracting ...
Materials Science
Jun 8, 2024
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284
What makes roads safer? New study uses AI to find out
Most people use Google Street View to find their way. Dr. Quynh Nguyen, an epidemiologist and statistician at the University of Maryland School of Public Health, uses it to locate spots where your journey might abruptly end. ...
Health
Jun 8, 2024
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Socially connected older adults hit harder by pandemic than isolated peers
Socially connected older people had a sharper drop in their quality of life and life satisfaction and a greater increase in loneliness during the pandemic than their more isolated counterparts, according to a new study by ...
Health
Jun 8, 2024
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Upstream and downstream: River study highlights cross-country inequities
A new research commentary led by Griffith University researchers highlights inequities between downstream and upstream countries that share the same watershed. The paper, "The Global Biodiversity Framework can be leveraged ...
Wild horse species returns to the Kazakh steppes
After a few hesitant steps following a long flight from Prague, three Przewalski horses galloped off for the first time into the Kazakh steppe—the native habitat of this endangered species.
India's heat wave longest ever, worse to come
India's heat wave is the longest ever to hit the country, the government's top weather expert said Monday as he warned people will face increasingly oppressive temperatures.
Flooding and landslides kill three in Vietnam's north
Flooding and landslides in northern Vietnam have killed three people, state media said Monday, after days of heavy rain that partially submerged thousands of homes.
Who's better off and who's worse off four years on from the outbreak of COVID? The financial picture might surprise you
A lot has happened to the economy since COVID struck, and reading the economic tea leaves has become more difficult.
Scientists have traced the origin of the modern horse to a lineage that emerged 4,200 years ago
The horse transformed human history—and now scientists have a clearer idea of when humans began to transform the horse.
How studying (robot) pigeon navigation changed my mind about their intellect
The cycling infrastructure in the Netherlands is fantastic, and cyclists in my hometown of Utrecht would have been the happiest in the world if it wasn't for one thing: pigeons.
How giant earthworms have transformed the Isle of Rum's landscape
Renowned for a thriving and intricately studied population of around 900 red deer, the Isle of Rum, part of Scotland's Inner Hebrides, is often considered an outdoor laboratory for scientific research. But the earthworms ...
Maps of heavy metals in Wellington, New Zealand soils show impacts of urbanization
A new study from GNS Science marks a significant step in the assessment of environmental contamination in Aotearoa New Zealand's capital.
Scientists and Indigenous leaders team up to conserve seals and an ancestral way of life at Yakutat, Alaska
Five hundred years ago, in a mountain-rimmed ocean fjord in southeast Alaska, Tlingit hunters armed with bone-tipped harpoons eased their canoes through chunks of floating ice, stalking seals near Sít Tlein (Hubbard) glacier. ...
Neuroscience can explain why voting is so often driven by emotion
The British electorate has been more volatile than ever in recent years. The elections of 2015 and 2017 saw the highest number of voters switching parties in modern history. And current polling suggests we're about to see ...
Will food chains break as seasons become more unpredictable?
"There are really four dimensions," begins the narrator of The Time Machine, H. G. Wells's classic Victorian adventure novel. "Three which we call the three planes of space and a fourth, time." Humans cannot help but think ...
New fossils show what Australia's giant prehistoric 'thunder birds' looked like
Until about 45,000 years ago, Australia was home to a giant flightless bird called Genyornis newtoni, which was 2 meters tall and weighed up to 230 kilograms.
Records of Pompeii's survivors have been found—archaeologists are starting to understand how they rebuilt their lives
On Aug. 24, in A.D. 79, Mount Vesuvius erupted, shooting over 3 cubic miles of debris up to 20 miles (32.1 kilometers) in the air. As the ash and rock fell to Earth, it buried the ancient cities of Pompeii and Herculaneum.
The sun is reaching the peak of its activity—here's how that could cause more auroras and solar storms
Many more people around the world than normal were recently able to see the northern and southern lights overhead with the naked eye. This unusual event was triggered by a very strong solar storm, which affected the movement ...
NASA considering an interstellar probe to study the heliosphere, the region of space influenced by the sun
The sun warms the Earth, making it habitable for people and animals. But that's not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the sun, is over a hundred times ...
Aquaculture overtakes wild fisheries for first time: UN report
Aquaculture is playing an increasingly important role in meeting the world's food needs, surpassing wild fisheries in aquatic animal production for the first time, according to a report published Friday.
Former astronaut William Anders, who took iconic Earthrise photo, killed in Washington plane crash
William Anders, the former Apollo 8 astronaut who took the iconic "Earthrise" photo showing the planet as a shadowed blue marble from space in 1968, was killed Friday when the plane he was piloting alone plummeted into the ...
Virgin Galactic set for final spaceflight before two-year pause
Virgin Galactic is poised on Saturday for its last spaceflight before heading into a two-year pause on commercial operations to upgrade its fleet, as the company seeks to finally turn a profit.
Early heat wave breaks records in western US
Scorching temperatures broke early summer records in the western United States, before the region's first major heat wave of the year eased slightly Friday.
