Phys.org news

Phys.org / Optical technique reveals hidden magnetic states in antiferromagnets

Imagine computer hardware that is blazing fast and stores more data in less space. That's the promise of antiferromagnets, magnetic materials that do not interfere with each other and can switch states at high speed, opening ...

8 hours ago in Physics
Phys.org / Low-platinum catalyst could make hydrogen production cheaper

A new type of catalyst that uses five times less platinum than usual could help make hydrogen production more affordable in the future.

9 hours ago in Chemistry
Phys.org / Kenya's big cats under pressure: Cattle are pushing lions away

In the Kenyan savanna, lions and livestock essentially live in shifts: Cattle graze during the day and are enclosed at night when lions are active.

9 hours ago in Biology
Phys.org / Ultrafast light switches use atomically thin semiconductors for rapid optical control

A nanostructure made of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device that may function as an optical transistor—with a switching speed around 10,000 times faster ...

9 hours ago in Nanotechnology
Phys.org / A wild potato that changed the story of agriculture in the American Southwest

Starchy residue preserved in ancient stone tools may rewrite the story of crop domestication in the American Southwest, according to research led by the University of Utah.

10 hours ago in Other Sciences
Phys.org / Iron Age dental plaque reveals Scythians consumed milk from horses and ruminants

Researchers have deciphered the diet of an important nomadic people in Eastern European history. By analyzing dental calculus, they have provided the first direct evidence that the diet of the Scythians included milk from ...

10 hours ago in Other Sciences
Phys.org / Metal clumps in a quantum state: Physicists place thousands of sodium atoms in a 'Schrödinger's cat state'

Can a small lump of metal be in a quantum state that extends over distant locations? A research team at the University of Vienna answers this question with a resounding yes. In the journal Nature, physicists from the University ...

10 hours ago in Physics
Phys.org / New method creates acinar cells involved in formation of pancreatic cancer

Organoids are three-dimensional miniature models of organs, grown in a dish. They have become a valuable tool for studying human development, organ regeneration, function, and disease progression. Organoids derived from patient ...

10 hours ago in Biology
Phys.org / Old diseases return as settlement pushes into the Amazon rainforest

Human activity continues to expand ever further into wild areas, throwing ecology out of balance. But what begins as an environmental issue often evolves into a human problem.

11 hours ago in Biology
Phys.org / Key protein can restore aging neural stem cells' ability to regenerate

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have found that a key protein can help to regenerate neural stem cells, which may improve aging-associated decline in neuronal ...

12 hours ago in Biology
Phys.org / Scientists design molecules 'backward' to speed up discovery

Every medication in your cabinet, every material in your phone's battery, and virtually every compound that makes modern life work started as a molecular guess, with scientists hypothesizing that a particular arrangement ...

11 hours ago in Chemistry
Phys.org / US forests store record carbon as natural and human factors combine

U.S. forests have stored more carbon in the past two decades than at any time in the last century, an increase attributable to a mix of natural factors and human activity, finds a new study.

11 hours ago in Earth