Science

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 2021-01-15 21:08 

Phys.org

Conductive nature in crystal structures revealed at magnification of 10 million times...

In groundbreaking materials research, a team led by University of Minnesota Professor K. Andre Mkhoyan has made a discovery that blends the best of two sought-after qualities for touchscreens and smart windows—transparency and conductivity....

 2021-01-15 19:40 

Phys.org

Six-wavelength spectroscopy can offer new details of surface of Venus...

A trio of papers provide new insight into the composition and evolution of the surface of Venus, hidden beneath its caustic, high temperature atmosphere. Utilizing imaging from orbit using multiple wavelengths—six-band spectroscopy proposed as part ...

 2021-01-15 19:27 

Phys.org

Examination of Theia 456 finds its nearly 500 stars were born at same time...

The Milky Way houses 8,292 recently discovered stellar streams—all named Theia. But Theia 456 is special....

 2021-01-15 19:00 

Phys.org

Nanodiamond sensors can act as both heat sources and thermometers...

A team of scientists from Osaka University, the University of Queensland and the National University of Singapore's Faculty of Engineering used tiny nanodiamonds coated with a heat-releasing polymer to probe the thermal properties of cells. When irrad...

 2021-01-15 18:43 

Phys.org

Scientists identify nutrient that helps prevent bacterial infection...

Scientists studying the body's natural defenses against bacterial infection have identified a nutrient—taurine—that helps the gut recall prior infections and kill invading bacteria, such as Klebsiella pneumoniae (Kpn). The finding, publish...

 2021-01-15 18:39 

Phys.org

Engineers find a way to control chemical catalysts with sculpted light...

Like a person breaking up a cat fight, the role of catalysts in a chemical reaction is to hurry up the process—and come out of it intact. And, just as not every house in a neighborhood has someone willing to intervene in such a battle, not every par...

 2021-01-15 17:24 

Phys.org

Researchers trace geologic origins of Gulf of Mexico 'super basin' success...

The Gulf of Mexico holds huge untapped offshore oil deposits that could help power the U.S. for decades....

 2021-01-15 16:30 

Phys.org

X-rays surrounding 'Magnificent 7' may be traces of sought-after particle...

A new study, led by a theoretical physicist at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), suggests that never-before-observed particles called axions may be the source of unexplained, high-energy X-ray emissi...

 2021-01-15 16:29 

Phys.org

Genital shape key to male flies' sexual success...

Having genitals of a certain shape and size gives male flies a major reproductive advantage, new research shows....

 2021-01-15 16:28 

Phys.org

Scientists identify contents of ancient Maya drug containers...

Scientists have identified the presence of a non-tobacco plant in ancient Maya drug containers for the first time....

 2021-01-15 16:27 

Phys.org

Precise measurements of cluster formation in outer neutron 'skin' of a range of tin isotopes...

A large international team of researchers has developed a way to measure cluster formations in the outer neutron 'skin' of a range of tin isotopes rich in neutrons. In their paper published in the journal Science, the group describes using knockou...

 2021-01-15 16:00 

Phys.org

New videos show RNA as it's never been seen...

A new Northwestern University-led study is unfolding the mystery of how RNA molecules fold themselves to fit inside cells and perform specific functions. The findings could potentially break down a barrier to understanding and developing treatments for RN...

 2021-01-15 14:23 

Phys.org

Glass frogs living near roaring waterfalls wave hello to attract mates...

Most frogs emit a characteristic croak to attract the attention of a potential mate. But a few frog species that call near loud streams—where the noise may obscure those crucial love songs—add to their calls by visually showing off with the fl...

 2021-01-15 14:23 

Phys.org

In lab study, nanoparticle shows promising results for treating severe allergies...

For about one in 13 children in the U.S., normally harmless foodstuffs such as milk, eggs and peanuts can send the body's natural defenses into overdrive....

 2021-01-15 14:23 

Phys.org

Changes in nutrient storage and metabolism help fruit flies reach maturity...

RIKEN developmental biologists have analyzed the transitions that precede metamorphosis in fruit fly larvae using experiments and mathematical modeling1. They have also identified the survival strategies underlying these transitions. While conducted on fr...

 2021-01-15 14:18 

Phys.org

Snakes evolve a magnetic way to be resistant to venom...

Certain snakes have evolved a unique genetic trick to avoid being eaten by venomous snakes, according to University of Queensland research....

 2021-01-15 14:18 

Phys.org

Protecting the genome from transposon activation...

Transposons are foreign DNA elements capable of random insertion into the genome, an event that can be very dangerous for a cell. Their activity must be silenced to maintain genomic integrity, which is primarily achieved by H3K9me3-mediated repression. Re...

 2021-01-15 14:17 

Phys.org

Optical computing at sub-picosecond speeds...

Vanderbilt researchers have developed the next generation of ultrafast data transmission that may make it possible to make already high-performance computing "on demand." The technology unjams bottlenecks in data streams using a hybrid silicon-van...

 2021-01-15 14:14 

Phys.org

A new way to look for gravitational waves...

In a paper published today in Physical Review Letters, Valerie Domcke of CERN and Camilo Garcia-Cely of DESY report on a new technique to search for gravitational waves—the ripples in the fabric of spacetime that were first detected by the LIGO and ...

 2021-01-15 14:10 

Phys.org

Simulating evolution to understand a hidden switch...

Computer simulations of cells evolving over tens of thousands of generations reveal why some organisms retain a disused switch mechanism that turns on under severe stress, changing some of their characteristics. Maintaining this "hidden" switch is...

 2021-01-15 14:04 

Phys.org

Fluorescence microscopy at highest spatial and temporal resolution...

LMU researchers simplify the MINFLUX microscope and have succeeded in differentiating molecules that are extremely close together and tracking their dynamics....

 2021-01-15 13:30 

Phys.org

Intimate associations between SARS-CoV-2 and mitochondria suggest new angles of attack...

As one wise pundit recently observed, "everybody is a virologist now." For the many people whose interest in biology formerly began and ended with "the mitochondria is the powerhouse of the cell," a second axiom can now be offered, namely,...

 2021-01-15 12:23 

Phys.org

A new regime for analyzing properties of topological materials...

Two recent studies demonstrate that there is a topological origin of two related metal alloys' ability to convert light into electrical current. New fundamental research on rhodium monosilicide (RhSi), published in NPJ Quantum Materials, and on cobalt...

 2021-01-15 12:23 

Phys.org

Innovative gene stacks enhance wheat rust resistance...

John Innes Centre researchers have helped in the development of pioneering gene stacking techniques to combat the growing threat of wheat rust....

 2021-01-15 12:20 

Phys.org

Project maps 'astronomical' number of celestial objects...

Nearly 700 million astronomical objects have been carefully cataloged and made public as part of a major international collaboration involving researchers from The Australian National University (ANU)....

 2021-01-15 10:00 

Phys.org

Changing resilience of oceans to climate change...

Oxygen levels in the ancient oceans were surprisingly resilient to climate change, new research suggests....

 2021-01-15 08:28 

Phys.org

Astronomers document the rise and fall of a rarely observed stellar dance...

The sun is the only star in our system. But many of the points of light in our night sky are not as lonely. By some estimates, more than three-quarters of all stars exist as binaries—with one companion—or in even more complex relationships. St...

 2021-01-15 08:27 

Phys.org

Researchers model regional impacts of specific anthropogenic activities, their influence on extreme fire weather risk...

When the Thomas Fire raged through Ventura and Santa Barbara counties in December 2017, Danielle Touma, at the time an earth science researcher at Stanford, was stunned by its severity. Burning for more than a month and scorching 440 square miles, the fir...

 2021-01-15 08:25 

Phys.org

Researchers rewind the clock to calculate age and site of supernova blast...

Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time of the ...

 2021-01-15 08:23 

Phys.org

New fossil provides clarity to the history of Alligatoridae...

Families are complicated. For members of the Alligatoridae family, which includes living caimans and alligators—this is especially true. They are closely related, but because of their similarity, their identification can even stump paleontologists....

 2021-01-15 08:19 

Phys.org

Researchers offer insights on how diet ultimately reshapes language...

Anthropologist Caleb Everett and former student Sihan Chen used a novel data analysis of thousands of languages, in addition to studying a unique subset of celebrities, to reveal how a soft food diet—contrasted with the diet of hunter-gatherers&mdas...

 2021-01-15 08:15 

Phys.org

Climate change doesn't spare the smallest...

In a normal year, biologists Daniel Janzen and Winnie Hallwachs spend about six months in Costa Rica, where they conduct research and pursue conservation efforts in rea de Conservacin Guanacaste (ACG), a World Heritage Site in the northwest that encompass...

 2021-01-15 08:06 

Phys.org

Guppies have varying levels of self-control...

Just like humans trying to stick to New Year's resolutions, guppies have varying levels of self-control, a new study shows....

 2021-01-14 21:37 

Phys.org

RIP: Mars digger bites the dust after 2 years on red planet...

NASA declared the Mars digger dead Thursday after failing to burrow deep into the red planet to take its temperature....

 2021-01-14 21:35 

Phys.org

Blue Origin launches capsule to space with astronaut perks...

Jeff Bezos' Blue Origin company launched a new capsule into space Thursday to test all the astronaut perks before people strap in....

 2021-01-14 21:32 

Phys.org

Research breaks new ground in understanding how a molecular motor generates force...

A team of biophysicists from the University of Massachusetts Amherst and Penn State College of Medicine set out to tackle the long-standing question about the nature of force generation by myosin, the molecular motor responsible for muscle contraction and...

 2021-01-14 21:30 

Phys.org

Toadlet peptide transforms into a deadly weapon against bacteria...

Researchers at the Technion Israel Institute of Technology and EMBL Hamburg have discovered remarkable molecular properties of an antimicrobial peptide from the skin of the Australian toadlet. The discovery could inspire the development of novel synthetic...

 2021-01-14 21:24 

Phys.org

Keeping the costs of superconducting magnets down using ultrasound...

Superconductivity already has a variety of practical applications, such as medical imaging and levitating transportation like the ever-popular maglev systems. However, to ensure that the benefits of applied superconductors keep spreading further into othe...

 2021-01-14 21:23 

Phys.org

Reverse engineering 3-D chromosome models for individual cells...

Genome analysis can provide information on genes and their location on a strand of DNA, but such analysis reveals little about their spatial location in relation to one another within chromosomes—the highly complex, three-dimensional structures that...

 2021-01-14 21:21 

Phys.org

Geologic history written in garnet sand...

On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to the north of Australia, garnet sand reveals an important geologic discovery. Similar to messages in bottles that have traveled across the oceans, s...

 2021-01-14 19:00 

Phys.org

Hard to crack research reveals how crop roots penetrate hard soils...

Scientists have discovered a signal that causes roots to stop growing in hard soils which can be 'switched off' to allow them to punch through compacted soil—a discovery that could help plants to grow in even the most damaged soils....

 2021-01-14 19:00 

Phys.org

Foraging humans, mammals and birds who live in the same place behave similarly...

Foraging humans find food, reproduce, share parenting, and even organize their social groups in similar ways as surrounding mammal and bird species, depending on where they live in the world, new research has found....

 2021-01-14 19:00 

Phys.org

Researchers call for greater consideration of soil biodiversity and functions in international conservation strategies...

If you asked people which group of animals is the most abundant on earth, hardly anyone would know the right answer. Ants? Fish? No, and not humans either. The answer is nematodes, also known as roundworms. Four out of five animals on earth belong to this...

 2021-01-14 19:00 

Phys.org

New state of matter in one-dimensional quantum gas...

As the story goes, the Greek mathematician and tinkerer Archimedes came across an invention while traveling through ancient Egypt that would later bear his name. It was a machine consisting of a screw housed inside a hollow tube that trapped and drew wate...

 2021-01-14 19:00 

Phys.org

Model analyzes how viruses escape the immune system...

One reason it's so difficult to produce effective vaccines against some viruses, including influenza and HIV, is that these viruses mutate very rapidly. This allows them to evade the antibodies generated by a particular vaccine, through a process know...

 2021-01-14 19:00 

Phys.org

How plants produce defensive toxins without harming themselves...

Plants produce toxic substances to defend themselves against herbivores. In a new study, scientists from the Max Planck Institute for Chemical Ecology in Jena and the University of Mnster, Germany, were able to describe in detail the biosynthesis and exac...

 2021-01-14 18:33 

Phys.org

Modern tomatoes can't get same soil microbe boost as ancient ancestors...

Tomato plants are especially vulnerable to foliar diseases that can kill them or impact yield. These problems require a number of pesticides in conventional crops and make organic production especially difficult....

 2021-01-14 18:31 

Phys.org

The richer you are, the more likely you'll social distance, study finds...

The higher a person's income, the more likely they were to protect themselves at the early stages of the Covid-19 pandemic in the United States, Johns Hopkins University economists find....

 2021-01-14 17:33 

Phys.org

New way to control electrical charge in 2-D materials: Put a flake on it...

Physicists at Washington University in St. Louis have discovered how to locally add electrical charge to an atomically thin graphene device by layering flakes of another thin material, alpha-RuCl3, on top of it....

 2021-01-14 17:32 

Phys.org

Feces and algorithms: Artificial Intelligence to map our intestinal bacteria...

Both past and present-day scientists have suspected the intestines of playing a role in various diseases. Present-day studies focus on the intestinal flora's role in physical diseases such as diabetes and overweight, while others seek to establish a c...

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