Phys.org news

Phys.org / Turning four into two: How duplicated genomes become diploid again

Genome duplication probably gave biodiversity a decisive evolutionary boost. A Chinese-German research team led by Axel Meyer from the University of Konstanz has now investigated the early phases of the process known as rediploidization. ...

12 hours ago
Phys.org / Wildfire-driven deforestation rates in California among highest in world

California has one of the highest rates of wildfire-driven deforestation in the world, and the trend has accelerated over the past three decades, according to a study from the University of California, Davis. The study, published ...

13 hours ago
Phys.org / DNA's physical form helps direct gyrase activity and could reshape antibiotic design

New analytical methods developed at Baylor College of Medicine and collaborating institutions have increased our understanding of how bacteria manage DNA. The methods have enabled researchers to uncover how the sequence, ...

13 hours ago
Phys.org / Light-powered propulsion expands space exploration possibilities

Reaching the nearest star system, Alpha Centauri, would take hundreds of thousands of years using current rocket propulsion technology. Researchers in the J. Mike Walker '66 Department of Mechanical Engineering at Texas A&M ...

16 hours ago
Phys.org / Millions of atoms, shifting bonds—new software brings living chemistry into view

Chemical reactions drive life. They ensure that cells obtain energy, proteins perform their functions, and DNA changes under certain conditions. However, many of these processes occur on extremely small scales—so small and ...

13 hours ago
Phys.org / Quantum simulations that bypass resolution limits offer insights into high-temperature superconductivity

A new method developed at LMU overcomes fundamental resolution limits and may provide insights into high-temperature superconductivity. Physicist Dr. Sebastian Paeckel has developed a method that can be used to calculate ...

14 hours ago
Phys.org / NASA unveils Roman telescope to map universe, find 10,000s of exoplanets

NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe the mysteries of dark matter and dark energy.

19 hours ago
Phys.org / Astronomers find an exo-Jupiter, and it seems to have clouds

A team of astronomers led by Elisabeth Matthews at the Max Planck Institute for Astronomy (MPIA) has made a discovery that highlights the limits of most current models of exoplanet atmospheres: water-ice clouds on a distant ...

18 hours ago
Phys.org / Elusive tularemia proteins reveal possible treatment target in rare tick-borne disease

Tularemia is a rare but highly infectious disease caused by Francisella tularensis, a bacterium that can evade immune defenses. Symptoms of infection can include fever, swollen lymph nodes, and—in some cases—pneumonia. What ...

13 hours ago
Phys.org / They promised climate action for years, but what these meat and dairy giants were really selling was something else

The meat and dairy industry accounts for 57% of total global food production emissions and at least 16.5% of all global greenhouse gas emissions. But the vast majority of environmental claims from the animal agricultural ...

16 hours ago
Phys.org / A vast Indigenous American genome map exposes lost migrations, ancient ancestry and more than a million new variants

Research into human genomic diversity has a number of applications in biomedicine, evolution, and history. However, many populations have historically been underrepresented on the human genomic map. This is the case of Native ...

19 hours ago
Phys.org / Chalk-stream salmon could become an official sub-species

Chalk-stream salmon should be officially classified as a sub-species, new research suggests. Scientists from the University of Exeter and INRAe (France) carried out detailed genetic testing of salmon from 42 rivers in England, ...

14 hours ago