- 23/3/31 02:00
The cosmos would look a lot better if Earth's atmosphere wasn't photo bombing it all the time.
257,515 articles from PhysOrg
The cosmos would look a lot better if Earth's atmosphere wasn't photo bombing it all the time.
An explosion the size of our solar system has baffled scientists, as part of its shape—similar to that of an extremely flat disk—challenges everything we know about explosions in space.
THURSDAY 30. MARCH 2023
Research led by a University of Cincinnati doctoral student shows that immigrants and refugees who participated in a civic leadership program felt more empowered after learning about their rights, civic entitlements and the social, cultural, and political context of Cincinnati.
White blood cells called neutrophils have an unappreciated role in eradicating solid tumors, according to a surprise discovery from a team led by Weill Cornell Medicine scientists.
As questions abound about the Earth's closest star, scientists are seeking answers critical to forecasting solar flares that threaten satellites and other electronics.
The winter killing season for manatees along Central Florida's Atlantic coast is winding down with an astounding turn of events—a tiny fraction of the animals died compared to during the last two years.
Cryptomarkets—marketplaces on the dark web that can facilitate the sale of illicit goods between vendors and buyers—are proving to be attractive alternatives to traditional in-person drug dealing, according to Simon Fraser university researchers, who say machine learning and tracking markets through web crawlers may help curb the growing trend.
Children are spending more time in digital environments than ever, yet laws and policies haven't kept pace in protecting them there, writes a team of researchers in a new perspective in the journal Science.
Simon Fraser University researchers are learning more about ancient graffiti—and their intriguing comparisons to modern graffiti—as they produce a state-of-the-art 3D recording of the Temple of Isis in Philae, Egypt.
In a study, published in the journal Science China Chemistry and led by Prof. Pingping Fang (School of Chemistry, Zhejiang University) and Prof. Jianfeng Li (College of Chemistry and Chemical Engineering, Xiamen University), experiments were performed by using an Xplora Raman spectrometer with a 50x microscope objective and an excitation wavelength of 638 nm from a He–Ne laser.
As tick season kicks in across the country, the executive director of the University of Massachusetts Amherst-based New England Center of Excellence in Vector-Borne Diseases (NEWVEC) and his team have completed research that offers a promising lead in the fight against Lyme disease.
A review published in the journal Forestry Research focuses on understory vegetation biodiversity, regeneration, biomass, nutrient content and storage, carbon and nitrogen relationships, functional traits, litter decomposition, and interactions with overstory trees. It also covers the ecological effects of understory vegetation on soil chemistry, soil microbial communities, and soil and water...
Gamma-ray bursts are the most energetic and luminous events known to occur in the Universe. Short-lived flashes of gamma rays that typically last from a a tenth of a second to less than an hour, gamma-ray bursts may for a brief period of time outshine entire galaxies. The explosions are believed to be caused by the collapse of massive stars, the collision of neutron stars, or the merging of a...
In a study recently published in the journal Horticulture Research, researchers performed a genome-wide association study (GWAS) for SSC of the red-ripe fruits in a population consisting of 481 tomato accessions with large natural variations and found a new quantitative trait locus, STP1, encoding a Sugar Transporter Protein.
A self-propagating chemical reaction can transform a liquid monomer into a solid polymer, and the interaction between the propagating front and the reaction's natural convection leads to patterns in the resulting solid polymeric material. New University of Illinois Urbana-Champaign work has shown how the coupling between natural convection and frontal polymerization leads to those observed...
An international research team led by Professors Tsuneyuki Ozaki and François Légaré at the Institut national de la recherche scientifique (INRS), has developed a unique method to enhance the power of a laser source emitting extreme ultraviolet light pulses. The underlying mechanism of the newly observed phenomenon involves the unique role of dark-autoionizing states through coupling with other...
Toxic heavy metals found in wastewater have health and safety ramifications for communities affected by pollution. Hexavalent chromium is a dangerous, cancer-causing byproduct of industrial processes that is known to cause birth defects, severe diarrhea, and is linked to kidney, bladder, and liver cancers. Famously, it was the center of the lawsuit dramatized in the film "Erin Brockovich."
The Haber-Bosch (HB) process is one of the most important industrial chemical reactions. It combines nitrogen and hydrogen gases in the presence of an iron-based catalyst at high temperatures and pressures to produce ammonia fertilizer which helps provide food for over five billion people.
University of Toronto researcher Amanda Cook has found a way to use bright signals coming from across the universe to weigh the atmosphere of the Milky Way galaxy.
A new study highlights the importance of mutual trust between citizens and authorities when society is facing a crisis. Moreover, data from the COVID-19 crisis indicates that general trust in our fellow citizens is unlikely to make us less compliant with restrictions.
Hydrogen production powered by wind and solar energy is still too expensive if it is to play a role in the clean transition via energy storage and to help decarbonize hard-to-electrify sectors. Much effort in reducing its cost focuses on enhancing production efficiency by improving the performance of iridium-based catalysts that can speed up the oxygen-related part of the electrochemical reaction...
Human resources managers are frequently turning to artificial intelligence to help make employment decisions, leaning on recommendations from algorithms to decide who to interview and who to hire. Traditional interviews can be costly and prior behavioral research suggests humans are poor predictors of performance and fit.
Specialized portable radar could serve as an early warning system to reduce risk for humans working on shorefast sea ice, according to a recently published study.
With more than a third of UK workers saying they'd quit if their job demanded a full-time return to the office, and working parents facing the third-most expensive childcare system in the world when juggling career with family, research published today by Queen Mary University of London details how flexible working lessons from the pandemic can foster more family-friendly work practices.
Australia is about to take a big, constructive step on climate change policy: we will have a carbon price for the industry sector, under the safeguard mechanism.
Australians have been shocked by an incident on the Sunshine Coast this month in which a 13-year-old girl was imprisoned, assaulted and tortured over many hours, allegedly by three girls aged 12, 13 and 14.
What if we told you the world has forests harboring creatures with three hearts and where the canopy can grow by a foot a day? What if we told you it was silently disappearing? What if we told you we now have the chance to bring it back?
The I ♥ NY logo was launched in the 1970s when New York City was at its grittiest and most dangerous. Since then graphic designer Milton Glaser's creation has been emblazoned on every kind of souvenir imaginable, not to mention inspiring movies, clothing, graffiti and even food.
The shooting deaths of three children and three adults inside a Nashville school has put further pressure on Congress to look at imposing a ban on so-called assault weapons. Such a prohibition would be designed cover the types of guns that the suspect legally purchased and used during the March 27, 2023, attack.
Read successive progress reports by the Climate Change Committee (CCC), the UK government's statutory advisor on climate change, and you sense the growing frustration. Over the years, the CCC's assessments of the government's response to the climate crisis have become more critical, its recommendations more explicit and the tone more direct.
Prime Minister Rishi Sunak has brought forward a planned review into sex education in English schools.
Hot bodies emit heat in the form of electromagnetic radiation. Lightbulbs and night vision cameras are examples of technologies based on this physical phenomenon. Our daily experience tells us that heat is always directed from hot bodies to colder ones.
Fake footage is a centuries-old problem that began long before digital technology, according to a Leeds academic.
According to the World Health Organization, enterotoxigenic Escherichia coli (ETEC) bacteria cause the largest number of recorded community-acquired cases of childhood diarrhea in the developing world and is the most common culprit in traveler's diarrhea. While in healthy adults this is merely an unpleasant inconvenience, in infants and young children this can lead to chronic malnutrition, stunted...
Nitrogen as a fertilizer can increase yields. However, too much nitrogen can also have negative effects, such as groundwater pollution, high energy consumption in fertilizer production and the generation of climate-relevant gases. Science is therefore looking for ways to help crops thrive with less nitrogen.
Ellie is an 11-year-old chestnut mare with a fetching white stripe on her face, and she's about as loved as any horse could be.
Research from the Institute for Sustainable Food at the University of Sheffield has investigated the reasons for post-harvest loss of crops produced in the Morogoro region of Tanzania.
The continent of North America is where horses first emerged. Millions of years of evolutionary changes transformed the horse before it became the natural companion of many Indigenous Peoples and the flagship symbol of the Southwest. An international team uniting 87 scientists across 66 institutions around the world now begins to refine the history of the American horse. This work, which embeds...
A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips covering and sealing their mouths.
Researchers from the Institute of Physics (IOP) of the Chinese Academy of Sciences, collaborating with international colleagues, have presented an overview of recent progress in emerging moiré photonics and optoelectronics. It was published in Science on March 30.
A new artificial intelligence tool can predict the functions of enzymes based on their amino acid sequences, even when the enzymes are unstudied or poorly understood. The researchers said the AI tool, dubbed CLEAN, outperforms the leading state-of-the-art tools in accuracy, reliability and sensitivity. Better understanding of enzymes and their functions would be a boon for research in genomics,...
A common amino acid, glycine, can deliver a "slow-down" signal to the brain, likely contributing to major depression, anxiety and other mood disorders in some people, scientists at the Wertheim UF Scripps Institute for Biomedical Innovation & Technology have found.
The secret has been hiding in plain view for 40 years. But it took the insight of a veteran astronomer to pull it all together within a year, using observations of Saturn from NASA's Hubble Space Telescope and retired Cassini probe, in addition to the Voyager 1 and 2 spacecraft and the retired International Ultraviolet Explorer mission.
The Wonder Years can be great, sure: first loves, long summers, panoramic dreams exclusive to those with a lifetime of runway. The Working Years, too: established identity, new family and old friends, freedom to pursue personal goals and professional satisfaction.
For a crayfish in the Florida Everglades, its worst nightmare is three feet long, dark brown and pure muscle, with a mouth like a vacuum that sucks up nearly everything it can find—tiny fish, small shellfish, turtle eggs and frogs.
The Philippines is celebrating March as women's month while citing its achievements in gender equality from increased female educational attainment to political empowerment.
For most Californians, the sight of aircraft spewing neon pink liquid over flaming trees and brush has become a hallmark of aggressive wildfire suppression campaigns—if not a potent symbol of government's struggle to control increasingly destructive forest fires.
Widespread forests once played a significant role in warming the climate during the Middle Miocene Climate Optimum (MMCO), while open Panama and Tethys Seaways served as "shortcuts" for the Atlantic Meridional Overturning Circulation (AMOC).
In terrestrial ecosystems, nitrogen (N) and phosphorus (P) are major nutrients limiting the increase in primary productivity. The imbalance of N and P input may result in a series of ecological results.
Scientists aboard a U.S. research vessel in the tropical Atlantic are taking advantage of the ship's long-planned path through the Great Atlantic Sargassum Belt to take some of the first samples from a massive, ongoing bloom. Photos and video from the ship show the algae mats on the surface of the eastern Atlantic in the belt that extends from west Africa to the Gulf of Mexico.