Limits of atomic nuclei predicted: Scientists simulate large region of the chart of nuclides

Novel calculations have enabled the study of nearly 700 isotopes between helium and iron, showing which nuclei can exist and which cannot. In an article published in Physical Review Letters, scientists from TU Darmstadt, the University of Washington,.....»»

Category: topSource:  physorgJan 13th, 2021

NASA explores solar wind with new view of small sun structures

Scientists have combined NASA data and cutting-edge image processing to gain new insight into the solar structures that create the Sun's flow of high-speed solar wind, detailed in new research published today in The Astrophysical Journal. This first.....»»

Category: topSource:  physorgRelated News5 hr. 27 min. ago

Male butterflies mark their mates with repulsive smell during sex to "turn off" other suitors

Butterflies have evolved to produce a strongly scented chemical in their genitals that they leave behind after sex to deter other males from pursuing their women—scientists have found......»»

Category: topSource:  physorgRelated News10 hr. 59 min. ago

Counting elephants from space, for the first time

For the first time, scientists have successfully used satellite cameras coupled with deep learning to count animals in complex geographical landscapes, taking conservationists an important step forward in monitoring populations of endangered species......»»

Category: topSource:  physorgRelated News10 hr. 59 min. ago

Solar activity reconstructed over a millennium

An international team of researchers led by ETH Zurich has reconstructed solar activity back to the year 969 using measurements of radioactive carbon in tree rings. Those results help scientists to better understand the dynamics of the sun and allow.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

New biodegradable polyurethane foams are developed from wheat straw

Every year around 734 million tons of wheat straw are produced worldwide, a large amount of waste, which is cheap and has had no well-defined use until now. Recently, the RNM-271 Chemical Engineering and FQM-383 NANOVAL Organic Chemistry research gro.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

As the American hemp industry grows, so does our understanding of hemp diseases

As hemp begins to reemerge as an important crop in the United States, scientists are beginning research into the diseases that might prevent the crop from flourishing. A study published in the December issue of Plant Health Progress is one of the fir.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

High-ranking male hyenas have better chances with females because they are less "stressed"

Scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) have found that interacting with other males is more "stressful" for low-ranking than for high-ranking male spotted hyenas. This restricts the time and energy low-ranki.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

Scientists reveal structure of plants" energy generators

Researchers have revealed the first atomic structures of the respiratory apparatus that plants use to generate energy, according to a study published today in eLife......»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

Scientists to global policymakers: Treat fish as food to help solve world hunger

Scientists are urging global policymakers and funders to think of fish as a solution to food insecurity and malnutrition, and not just as a natural resource that provides income and livelihoods, in a newly-published paper in the peer-reviewed journal.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

Researchers discover the earliest supermassive black hole and quasar in the universe

Nearly every galaxy hosts a monster at its center—a supermassive black hole millions to billions times the size of the Sun. While there's still much to learn about these objects, many scientists believe they are crucial to the formation and structu.....»»

Category: topSource:  physorgRelated News12 hr. 27 min. ago

Scientists present novel approach for monitoring freshwater health

Researchers have used the world's smallest, smartphone-sized DNA sequencing device to monitor hundreds of different bacteria in a river ecosystem......»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

CRISPR technology shown to dial down gene activity in bacteria

In a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9—as a genetic dimmer switch for CRISPR-Cas9 genes. Its role of.....»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

All-purpose dinosaur opening reconstructed for first time

For the first time ever, a team of scientists, led by the University of Bristol, have described in detail a dinosaur's cloacal or vent—the all-purpose opening used for defecation, urination and breeding......»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

Scientists awarded a Guinness World Record for the finest woven fabric

A team of scientists from the University of Manchester have been honoured with a Guinness World Record for weaving threads of individual molecules together to create the world's finest fabric, overtaking finest Egyptian linen......»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

50 million-year-old fossil assassin bug has unusually well-preserved genitalia

The fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics—from the bold banding pattern on its legs to the inter.....»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

Using artificial intelligence to manage extreme weather events

Can combining deep learning (DL)—a subfield of artificial intelligence—with social network analysis (SNA), make social media contributions about extreme weather events a useful tool for crisis managers, first responders and government scientists?.....»»

Category: topSource:  physorgRelated News14 hr. 27 min. ago

Astronomers detect an outbursting young stellar object

By analyzing datasets from the Palomar Gattini InfraRed survey (PGIR) and NASA's NEOWISE spacecraft, astronomers have identified an outbursting young stellar object (YSO) in the star-forming region NGC 281-W. The study, which reports the finding and.....»»

Category: topSource:  physorgRelated News16 hr. 27 min. ago

Clocking electron movements inside an atom

Hard X-ray free-electron lasers (XFELs) have delivered intense, ultrashort X-ray pulses for over a decade. One of the most promising applications of XFELs is in biology, where researchers can capture images down to the atomic scale even before the ra.....»»

Category: topSource:  physorgRelated News16 hr. 27 min. ago

Using 100-million-year-old fossils and gravitational-wave science to predict Earth"s future climate

A group of international scientists, including an Australian astrophysicist, has used findings from gravitational wave astronomy (used to find black holes in space) to study ancient marine fossils as a predictor of climate change......»»

Category: topSource:  physorgRelated News17 hr. 27 min. ago

Scientists streamline process for controlling spin dynamics

Marking a major achievement in the field of spintronics, researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Yale University have demonstrated the ability to control spin dynamics in magnetic materials by altering.....»»

Category: topSource:  physorgRelated News17 hr. 27 min. ago