English

phys.org

Friday, Aug 19

20

Replacing pesticides with ants to protect crops

phys.org

A team of researchers affiliated with several institutions in Brazil, working with one colleague from Spain and another from the U.S., has found evidence that suggests ants can be used as a natural pesticide for a wide variety of crops. In…

16

Chromosomal study suggests people were living in South America as far back as 18,000 years ago

phys.org

A team of researchers affiliated with several institutions in Argentina has found chromosomal evidence of people living in South America as far back as 18,000 years ago. The group has published a paper describing their work and findings on…

Thursday, Aug 18

20

Grains of dust from asteroid Ryugu older than our solar system

phys.org

An international team of researchers studying dust samples retrieved by the Hayabusa-2 space probe, has found that some of its dust grains are older than the solar system. In their paper published in The Astrophysical Journal Letters, the…

17

A precise measurement of the neutral weak form factor of Ca-48

phys.org

The CREX Collaboration, a large group of researchers from different universities worldwide who are involved in the Calcium Radius Experiment (CREX), has recently collected a precise measurement of the broken mirror symmetry in the elastic…

16

New support for 'intrinsic' charm quarks

phys.org

A team of researchers with The NNPDF Collaboration has found new evidence to support the theory of "intrinsic" charm quarks. In their paper published in the journal Nature, the group describes how they used a machine learning model to…

15

Astronomers discover new accreting millisecond X-ray pulsar

phys.org

Using the Neutron Star Interior Composition Explorer (NICER), an international team of astronomers have detected a new accreting millisecond X-ray pulsar. The newfound pulsar, designated MAXI J1816–195, has a spin period of about 1.89…

Wednesday, Aug 17

18

Engineering a symbiotic relationship between E. coli and stinkbugs reveals clues about how symbiosis develops

phys.org

A team of researchers with members affiliated with several institutions in Japan has learned more about the process involved in the development of natural symbiotic relationships by engineering an artificial one between E. coli and…

17

Analysis of air flows emitted by performers from the MET highlight COVID-19 risks

phys.org

A combined team of researchers from Princeton University and the University of Montpellier analyzed the COVID-19 infection risk for singers and musicians performing at the Metropolitan Opera House in New York City. The paper is published…

16

Researchers realize two coherently convertible qubit types using a single ion species

phys.org

Trapped ion computers are quantum computers in which the qubits (quantum units of information) are ions trapped by electric fields and manipulated with lasers. To avoid crosstalk between nearby qubits, physicists and engineers design these…

15

New rare 'hot sub-Neptune' exoplanet discovered

phys.org

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new alien world. The newfound exoplanet, designated TOI-2196 b, turns out to be a type of a rare "hot sub-Neptune." The…

Tuesday, Aug 16

20

A way to recycle polystyrene into more valuable products

phys.org

A team of researchers at Virginia Tech working with one colleague from Dongbei University of Finance and Economics and another from Santa Clara University has developed a process for recycling polystyrene that involves the capture of…

13

The entanglement of two quantum memory systems 12.5 km apart from each other

phys.org

Quantum computing technology could have notable advantages over classical computing technology, including a faster speed and the ability to tackle more complex problems. In recent years, some researchers have also been exploring the…

Monday, Aug 15

21

Children found to change their views on gender stereotypes when read books that give other views

phys.org

A team of psychology researchers from the University of Amsterdam, Western Washington University, the University of British Columbia and the University of Toronto, has found that reading books to children that have female characters…

20

Climate model suggests global warming has already doubled the risk of California megaflood

phys.org

A pair of researchers, one with the Climate and Global Dynamics Laboratory at the National Center for Atmospheric Research in Boulder, Colorado, the other with the Institute of Environment and Sustainability at the University of California…

17

Astronomers detect new eclipsing post-common-envelope binary

phys.org

Astronomers have conducted photometric and spectroscopic observations of a binary system known as TIC 60040774. Results of the observational campaign shed more light on the properties of this system, revealing that it is an eclipsing post…

16

Engineering circular ribonucleic acids (circRNAs) for improved protein production

phys.org

Circular ribonucleic acids (circRNAs) are a promising platform for gene expression studies as a stable and prevalent ribonucleic acid in eukaryotic cells, which arise from back-splicing. In a new report now published in Nature…

Friday, Aug 12

17

Evolutionary network of whiptail lizards reveals predictable outcomes of hybridization

phys.org

A quartet of researchers, two from the U.S. and two from Mexico, found evidence that suggests divergence time between ancestral parents can be used to predict the effects of hybridization—at least in lizards. In their paper published in…

Ice core taken in Antarctica contains sample of atmosphere from five million years ago

phys.org

A team of researchers affiliated with multiple institutions in the U.S. has successfully pulled an ice core from Antarctica's Ong Valley that contains samples of Earth's atmosphere from up to 5 million years ago. In their paper published…

Thursday, Aug 11

Hear it for yourself: Zoo gorillas invent new call to communicate with human handlers

phys.org

A trio of researchers, two with the University of Georgia, the third with Zoo Atlanta, has found that gorillas at the zoo have created a new call for use in communicating with humans—usually those holding food. Roberta SalmiI, Monica…

15

Solar-like oscillations and ellipsoidal variations detected in binary system 12 Boötis

phys.org

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected solar-like oscillations and ellipsoidal variations in the light curve of a binary system known as 12 Boötis (or 12 Boo for short).…

Wednesday, Aug 10

17

Using a manganese polymer to separate xylene isomers

phys.org

A team of researchers at Zhejiang University in China, working with colleagues at Rutgers University in the U.S., has developed a way to use a manganese polymer to separate xylene isomers. In their paper published in the journal Science,…

Lizards in increasingly warming climates found to have shorter telomeres

phys.org

An international team of researchers has found that some lizards living in increasingly warm environments have shorter telomeres, leading to shorter lifespans. In their paper published in Proceedings of the National Academy of Sciences,…

Tuesday, Aug 9

18

The experimental observation of long-lived phantom helix states in Heisenberg quantum magnets

phys.org

Researchers at Massachusetts Institute of Technology (MIT), the MIT-Harvard Center for Ultracold Atoms, Harvard University and Stanford University have recently unveiled the existence of unique helical spin states in Heisenberg quantum…

17

Twisted-graphene model exhibits complex electronic behavior

phys.org

A pair of researchers, one with Peking University, the other with Princeton University, has found that the parameters of twisted-graphene's excitation spectra correspond directly to attributes of the heavy fermion model. In their paper…

16

New faint, distant and cold brown dwarf discovered

phys.org

Using the James Webb Space Telescope (JWST), an international team of astronomers have detected a new faint, distant, and cold brown dwarf. The newly found object, designated GLASS-JWST-BD1, turns out to be about 31 times more massive than…

Monday, Aug 8

17

Evidence of pathogens in ancient DNA could help explain the fall of two civilizations

phys.org

A team of researchers from the Max Planck Institute for Evolutionary Anthropology, the Max Planck Institute for the Science of Human History, the British School at Athens and Temple University has found evidence of pathogens in the teeth…

16

A van der Waals force-based adhesion study of stem cells exposed to cold atmospheric jets

phys.org

Cold atmospheric plasma can affect cell adhesion with a significant role in stem cell adhesion. In a new study now published in Scientific Reports, Kobra Hajizadeh and a team of researchers in the departments of physics and plasma research…

15

UPK 39 and UPK 41 form a primordial binary open cluster, study finds

phys.org

Using data from ESA's Gaia satellite and the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST), astronomers have investigated three open clusters near the Aquila Rift cloud. They found that two of them, designated UPK 39…

Friday, Aug 5

17

Why early Romans used lopsided dice

phys.org

A pair of researchers, one with the University of California, Davis, the other Drew University, believe they may have solved the mystery of why people living during the time of the Roman Empire used lopsided dice in their games. In their…

Reinforcement learning–based simulations show human desire to always want more may speed up learning

phys.org

A trio of researchers, two with Princeton University, the other the Max Planck Institute for Biological Cybernetics, has developed a reinforcement learning–based simulation that shows the human desire always to want more may have evolved…