Phys.org news

Phys.org / Magnetism switching in antiferromagnets: Two distinct mechanisms successfully visualized

A research team led by Ryo Shimano of the University of Tokyo has successfully visualized two distinct mechanisms through which up and down spins, inherent properties of electrons, switch in an antiferromagnet, a material ...

5 hours ago in Physics
Phys.org / Fullerenes could improve MRI clarity by enabling more efficient dynamic nuclear polarization

Magnetic resonance imaging (MRI) is invaluable in the medical world. But despite all the good it does, there is room for improvement. One way to enhance the sensitivity of MRI is dynamic nuclear polarization (DNP), where ...

5 hours ago in Chemistry
Phys.org / From static papers to living models: Turning limb development research into interactive science

The choreographed movements that cells perform to form complex biological shapes, like our hands, have fascinated scientists for centuries. Now, researchers at EMBL Barcelona have launched LimbNET, an open-access online platform ...

5 hours ago in Biology
Phys.org / Fearless frogs feast on deadly hornets

A remarkable resistance to venom has been discovered in a frog that feasts on hornets despite their deadly stingers. This frog could potentially serve as a model organism for studies on mechanisms underlying venom tolerance.

10 hours ago in Biology
Phys.org / Camera traps snap nearly three times more images of endangered Sumatran tigers than before

Destroyed habitats, poaching, and prey depletion have dramatically reduced tiger habitats around the world. Today, tigers occupy just 5–10% of their historical habitats. But on the Indonesian island of Sumatra, an important ...

10 hours ago in Biology
Phys.org / Smart material instantly changes colors on demand for use in textiles and consumer products

Scientists have developed a revolutionary technique for creating colors that can change on command. These are structural colors that don't rely on dyes or pigments and can be used for display signage, adaptive camouflage ...

20 hours ago in Nanotechnology
Phys.org / 10-thousand-year-old genomes from southern Africa change picture of human evolution

In southern Africa, a group of people lived in partial isolation for hundreds of thousands of years. This is shown in a new study based on analyses of the genomes of 28 people who lived between 10,200 and 150 years ago in ...

23 hours ago in Biology
Phys.org / Degraded peatlands emit nearly twice as much greenhouse gas as previously thought, study finds

For the first time, researchers have produced a detailed, high-resolution map of peatlands in the EU, showing that these areas emit twice as much greenhouse gases than previously thought. The research, led by eco-hydrologist ...

13 hours ago in Earth
Phys.org / Traditional note-taking beats AI chatbots for reading comprehension, but a combined approach is still useful

A new study suggests that traditional learning activities like making notes remain critical for students' reading comprehension and retention, while also suggesting that large language models (LLMs), such as ChatGPT or Microsoft ...

15 hours ago in Other Sciences
Phys.org / Self-adapting fiber component tackles heat challenges in high-power fiber lasers

Thulium fiber lasers, operating at a wavelength of 2 micrometers, are valued for applications in medicine, materials processing, and defense. Their longer wavelength makes stray light less damaging compared to the more common ...

19 hours ago in Physics
Phys.org / Scientists rule out fourth neutrino in particle physics mystery

Scientists have taken a major step toward solving a long-standing mystery in particle physics, by finding no sign of the particle many hoped would explain it.

21 hours ago in Physics
Phys.org / X-ray imaging reveals how silicon anodes maintain contact in all-solid-state batteries

All-solid-state batteries (ASSBs) using silicon (Si) anodes are among the most promising candidates for high-energy and long-lasting power sources, particularly for electric vehicles. Si can store more lithium than conventional ...

20 hours ago in Nanotechnology