Space Exploration
String of satellites baffles residents, bugs astronomers
A string of lights that lobbed across the night sky in parts of the U.S. on Wednesday, Thursday and Friday had some people wondering if a fleet of UFOs was coming, but it had others— mostly amateur stargazers and professional ...
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Space Exploration
Large Chinese rocket segment disintegrates over Indian Ocean
A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, the Chinese space agency said, following fevered speculation over where the 18-tonne object would come ...
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Perseverance Mars rover captures video, audio of fourth Ingenuity flight
For the first time, a spacecraft on another planet has recorded the sounds of a separate spacecraft. NASA's Perseverance Mars rover used one of its two microphones to listen as the Ingenuity helicopter flew for the fourth ...
Planetary Sciences
May 07, 2021
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Hologram experts can now create real-life images that move in the air
They may be tiny weapons, but Brigham Young University's holography research group has figured out how to create lightsabers—green for Yoda and red for Darth Vader, naturally—with actual luminous beams rising from them.
Optics & Photonics
May 07, 2021
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936
A barred galaxy's massive molecular inflow
Large amounts of gas are sometimes funneled to a galaxy's nuclear regions, with profound consequences. The gas triggers starburst activity and can also feed the supermassive black hole, converting it into an active galactic ...
Astronomy
May 07, 2021
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Supernovae twins open up new possibilities for precision cosmology
Cosmologists have found a way to double the accuracy of measuring distances to supernova explosions—one of their tried-and-true tools for studying the mysterious dark energy that is making the universe expand faster and ...
Astronomy
May 07, 2021
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918
3D printing company Desktop Metal will now use wood to print
The 3D printing company Desktop Metal has just announced the release of Forust, a new tool using wood to 3D print objects. The company, founded in 2019, focuses on 3D printing for interior design. With printing methods deemed ...
A stretchable and suturable fiber sensor to monitor biomechanical tissue strain
Implantable electronics are among the most promising healthcare technologies, as they can help to remotely monitor specific biological processes associated with a patient's health. While researchers have developed a variety ...
Vegetarians have healthier levels of disease markers than meat-eaters
Vegetarians appear to have a healthier biomarker profile than meat-eaters, and this applies to adults of any age and weight, and is also unaffected by smoking and alcohol consumption, according to a new study in over 166,000 ...
Health
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Why is COVID-19 so hard to treat? Growing evidence points to unique infectious profile
A comprehensive review into what we know about COVID-19 and the way it functions suggests the virus has a unique infectious profile, which explains why it can be so hard to treat and why some people experience so-called "long ...
Diseases, Conditions, Syndromes
May 07, 2021
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Medical Xpress
Study supports recommendations to avoid pregnancy for at least 12 months after obesity surgery
Spain ends COVID state of emergency
South Africa reports four cases of India virus variant
Fully vaccinated enjoy new freedoms in Germany
As cases grow, India's vaccination campaign falters
Variant accelerating India's COVID explosion: WHO top scientist
Merkel urges US to export COVID vaccines
As US reopens, campuses tighten restrictions for virus
Largest study to date confirms non-steroidal anti-inflammatory medications do not result in worse COVID-19 outcomes
In fight against COVID variants some firms target T cell jabs
Mild COVID-19 infection is very unlikely to cause lasting heart damage
Virus deaths top 4,000 in India as WHO green-lights Chinese vaccine
Thailand wants to buy more vaccines as surge worsens
After lull, cases spread in Vietnam's cities, provinces
India's surge hits southern states, prompts more lockdowns
Why is COVID-19 so hard to treat? Growing evidence points to unique infectious profile
Gene tied to balding may also raise COVID risks for men
Turning a pancreatic cancer cell's addiction into a death sentence
Tech Xplore
A stretchable and suturable fiber sensor to monitor biomechanical tissue strain
Can energy-efficient federated learning save the world?
IBM unveils world's first 2 nanometer chip technology, opening a new frontier for semiconductors
Complex passwords aren't always best
Spatial sciences student maps NYC's successful move to outdoor dining
Perovskite solar modules: High efficiency on a large surface area
Video: More certainty for deep learning
An on-skin device to measure sweat—rate, loss and temperature—in real-time
Researchers unveil roadmap to expand New York solar energy, meet green goals
We need to build more EV fast-charging stations, researchers say
Gene tied to balding may also raise COVID risks for men
It's long been known that COVID-19 is more fatal for men than women, and new research links some of that excess risk to a gene known to cause a form of hair loss in males.
Diseases, Conditions, Syndromes
May 07, 2021
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125
Star formation is triggered by cloud-cloud collisions, study finds
Stars form by the gravitational contraction of clouds of gas in space and can have various masses. Massive stars, together with many other stars, may form a huge star cluster (a group of more than 10,000 stars). The formation ...
Astronomy
May 07, 2021
3
264
Transforming atmospheric carbon into industrially useful materials
Plants are unparalleled in their ability to capture CO2 from the air, but this benefit is temporary, as leftover crops release carbon back into the atmosphere, mostly through decomposition. Researchers have proposed a more ...
Materials Science
May 07, 2021
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123
Discovery of a new genetic cause of hearing loss illuminates how inner ear works
A gene called GAS2 plays a key role in normal hearing, and its absence causes severe hearing loss, according to a study led by researchers in the Perelman School of Medicine at the University of Pennsylvania.
Medical research
May 07, 2021
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Emissions from human activity modify biogenic secondary organic aerosol formation
Despite their extremely small size, submicron atmospheric aerosols are critical pollutants with climate change, air quality, and human health implications. Of these particles, secondary organic aerosols (SOA) form when volatile ...
Environment
May 07, 2021
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33
Archaeologists pinpoint population for the Greater Angkor region
Long-running archaeological research, boosted by airborne lidar sensing and machine-learning algorithms, finds that Cambodia's Greater Angkor region was home to 700,000-900,000 people.
Archaeology
May 07, 2021
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144
Massive molecular study uncovers clues to the evolution and diversification of essential plant family
The most comprehensive study of the family tree for legumes, the plant family that includes beans, soybeans, peanuts, and many other economically important crop plants, reveals a history of whole-genome duplications. The ...
Evolution
May 07, 2021
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292
Animals laugh too, analysis of vocalization data suggests
Human laughter is common, but it's a somewhat mysterious part of our evolution. It's clear to evolutionary scholars that we laugh as a part of play, signaling our cooperation or friendliness. But how did laughter evolve? ...
Plants & Animals
May 07, 2021
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577
New research sets stage for development of salmonella vaccine
With the COVID-19 vaccines on many people's minds, some may be surprised to learn that we do not yet have vaccines for many common infectious diseases.
Molecular & Computational biology
May 07, 2021
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113
Study describes new mechanism for terminating transcription of DNA into RNA in bacteria
A bacterial protein helps to stop transcription—the process of making RNA copies of DNA to carry out the functions of the cell—by causing the cellular machinery that transcribes the DNA to pause at the appropriate spots ...
Biotechnology
May 07, 2021
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Last wild macaw in Rio is lonely and looking for love
Some have claimed she's indulging a forbidden romance. More likely, loneliness compels her to seek company at Rio de Janeiro's zoo.
California agency approves warehouse rule for air quality
Southern California air quality regulators on Friday approved a rule that would curb diesel emissions from thousands of trucks that ferry goods from the growing number of massive warehouses in the region run by Amazon and ...
Chinese rocket to tumble back to Earth in uncontrolled re-entry
A large segment of a Chinese rocket is expected to make an uncontrolled re-entry into the Earth's atmosphere over the weekend, but Beijing has downplayed fears of damage on the ground and said the risk is very low.
China's rocket out of control but risk of damage low, say experts
China's rogue rocket is in an uncontrolled free-fall towards Earth and no one knows where or exactly when it will burn through Earth's atmosphere, but the risk of debris hitting an inhabited area remains very small, experts ...
AP Interview: NASA chief big on climate, hedges on moon date
NASA's new administrator is big on tackling climate and diversifying the agency's workforce, but hedging on whether the U.S. can put astronauts on the moon by 2024.
Growth of satire during 'age of politeness' saw worries ridicule could lead to abuse, research shows
The explosion of satire in the Georgian period saw philosophers worry mockery could lead to abuse, research shows.
Deforestation of Brazilian Amazon hits record in April
Deforestation of the Brazilian Amazon hit a record last month, the government reported Friday with figures that belie President Jair Bolsonaro's pledge to crack down on such destruction.
China's emissions now exceed all the developed world's combined
China now accounts for more greenhouse gas emissions than all of the world's developed nations combined, according to new research from Rhodium Group.
Soybean and linseed oils added to cows' diet improves the quality of milk
Inclusion of soybean and linseed oils in the diet of dairy cows made the fatty acid content of their milk even healthier for human nutrition. It also increased the proportions of omega-6 and omega-3, which in the right balance ...
EXPLAINER: What are cicadas and why do they bug some people?
Cicadas, red-eyed bugs singing loud sci-fi sounding songs, can seem downright creepy. Especially since the trillions of them coming this year emerge from underground only every 17 years.
Discovery of huge Raman scattering at atomic point contact
Nanofabrication of electronic devices has reached a single nanometer scale (10-9 m). The rapid advancement of nanoscience and nanotechnology now requires atomic-scale optical spectroscopy in order to characterize atomistic ...
Using probiotic bacteria to protect against coral bleaching
Images of bare, naked white coral reefs have been increasingly circulating around the world. The typically colorful reefs of tropical oceans, which are home to many species of the marine ecosystem, are suffering from rising ...
Successful synthesis of perovskite visible-light-absorbing semiconductor material
Narrow-gap semiconductors with the ability to use visible light have garnered significant interest thanks to their versatility. Now, scientists in Japan have developed and characterized a new semiconductor material for application ...
Seeing colleagues succeed may make us feel more motivated
Observing the success of a colleague can motivate us to learn more and perform at a higher level. But when we perceive that a peer's accomplishment has risen above the usual standard of "good work" and can be rated an "exceptional" ...
Sherpa guide scales Mount Everest for record 25th time
A Sherpa guide scaled Mount Everest for the 25th time on Friday, breaking his own record for the most ascents of the world's highest peak.
Distinct cell-to-cell communication processes controlled differently
Cells talk to each other to coordinate nutrition, waste removal, energy use, and, in some cases, disease progression. The cells that line the surfaces of organs or specific tissues, called epithelial cells, appear to speak ...
The first hydroxide conductivity in anion conducting polymer thin films
As decarbonization progresses rapidly in the world, fuel cells offer potentially higher electrical efficiency than conventional power-generating systems. Anion exchange membrane fuel cells offer advantages of using non-precious ...
Why imported veg is still more sustainable than local meat
A former colleague who was a researcher and promoter of local food systems once argued that local meat markets connect children with reality. "If young people do not have a direct experience with food," he told me, "they ...
Study helps to better understand the link between indoor and outdoor air quality
People spend about 80-90% of their time indoors. Compared to outdoor air quality, the indoor air quality is more relevant to people's health. Therefore, understanding the levels, sources and evolution of particulate matter ...
A deeper understanding of how cells move and stick together
Observing how cells stick to surfaces and their motility is vitally important in the study of tissue maintenance, wound healing and even understanding how cancers progress. A new paper published in The European Physical Journal ...
