Phys.org news

Phys.org / Epigenetics linked to high-altitude adaptation in Andes

DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has shown, for instance, that Tibetans living at high altitude in the Himalayas ...

Dec 3, 2025 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 ...

Dec 3, 2025 in Earth
Phys.org / Bumble bees launch a three-stage defensive response when their nest is disturbed

Bumble bees respond to physical disturbance of their nest with a sequence of defensive behaviors that lasts up to 10 minutes, according to a study by Sajedeh Sarlak at the University of Konstanz, Germany, and colleagues.

Dec 3, 2025 in Biology
Phys.org / Precise catalyst design boosts hydrogen gas production efficiency and affordability

A recent advance in the science of hydrogen fuel production could enable higher output and more sustainable production of this renewable energy source, researchers with Stockholm's KTH Royal Institute of Technology report.

Dec 3, 2025 in Chemistry
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 ...

Dec 3, 2025 in Other Sciences
Phys.org / Electrical oscillations in microtubules link cytoskeleton to neuronal signaling

Researchers at UT San Antonio have uncovered new details about electrical signals happening within nerve cells, deepening scientists' understanding of the brain.

Dec 3, 2025 in Biology
Phys.org / Deciphering the heavyweights of the tetraquark world

The CMS collaboration reports the first measurement of the quantum properties of a family of tetraquarks that was recently discovered at the LHC.

Dec 3, 2025 in Physics
Phys.org / Tightening the net around the elusive sterile neutrino

Neutrinos, though nearly invisible, are among the most numerous matter particles in the universe. The Standard Model recognizes three types, but the discovery of neutrino oscillations revealed they have mass and can change ...

Dec 3, 2025 in Physics
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 ...

Dec 3, 2025 in Physics
Phys.org / Astronomers warn satellite growth may contaminate nearly all space telescope data

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could contaminate almost all the images taken by space telescopes, NASA astronomers warned Wednesday.

Dec 3, 2025 in Astronomy & Space
Phys.org / Pinning down spinless glueballs: New look at hidden structure inside subatomic particles

SUNY Poly Professor of Physics Dr. Amir Fariborz recently published a paper in Physical Review D titled "Spinless glueballs in generalized linear sigma model." The work takes on a central challenge in modern physics: understanding ...

Dec 3, 2025 in Physics
Phys.org / Terahertz device sets performance record and opens new quantum horizons

A prototype device that has demonstrated record-breaking longevity could help open up new frontiers in next-generation communications and computing technologies.

Dec 3, 2025 in Physics