Phys.org news

Phys.org / Ethylene and oxygen found to drive periderm regeneration after plant injury

Plants have an extraordinary ability to sense tissue damage and quickly rebuild their protective outer layers, a process vital for survival amid environmental stresses. The periderm—a specialized protective tissue found ...

15 hours ago in Biology
Phys.org / 2025 was one of three hottest years on record, scientists say

Climate change worsened by human behavior made 2025 one of the three hottest years on record, scientists said.

15 hours ago in Earth
Phys.org / Encoding adaptive intelligence in molecular matter by design

For more than 50 years, scientists have sought alternatives to silicon for building molecular electronics. The vision was elegant; the reality proved far more complex. Within a device, molecules behave not as orderly textbook ...

16 hours ago in Nanotechnology
Phys.org / The Star of Bethlehem might have actually been a comet described in an ancient Chinese text

Many researchers have spent decades attempting to decode biblical descriptions and link them to verifiable historical events. One such description is that of the Star of Bethlehem—a bright astronomical body that was said ...

Dec 29, 2025 in Astronomy & Space
Phys.org / Researchers develop efficient, reusable compound for capturing carbon dioxide from air

A new method to capture carbon dioxide from the air has been developed at the University of Helsinki's chemistry department.

Dec 29, 2025 in Chemistry
Phys.org / Biology-inspired brain model matches animal learning and reveals overlooked neuron activity

A new computational model of the brain based closely on its biology and physiology has not only learned a simple visual category learning task exactly as well as lab animals, but even enabled the discovery of counterintuitive ...

Dec 29, 2025 in Biology
Phys.org / These Illinois dairy and beef farms make raising methane-belching cows part of the climate solution

Illinois is a top agricultural state, generating billions of dollars annually, but even where stalks of corn and acres of soybean vastly outnumber its 400,000 head of cattle, cows raised for beef and dairy account for an ...

Dec 29, 2025 in Earth
Phys.org / Twisted light-matter systems unlock unusual topological phenomena

Properties that remain unchanged when materials are stretched or bent, which are broadly referred to as topological properties, can contribute to the emergence of unusual physical effects in specific systems.

Dec 29, 2025 in Physics
Phys.org / Multi-core black carbon particles found to boost light absorption in wildfire smoke

Researchers at The Education University of Hong Kong (EdUHK) have contributed to a study revealing that conventional theories on the structure of black carbon particles—such as those emitted by wildfires—may have significantly ...

Dec 29, 2025 in Earth
Phys.org / Ancient Puebloans kept macaws and parrots in great houses for ceremonial use

In a recent study, Dr. Katelyn Bishop conducted a zooarchaeological and archival data reanalysis of macaws and parrots recovered from Chaco Canyon to better understand their depositional contexts, material associations, and ...

Dec 29, 2025 in Other Sciences
Phys.org / Wildland fires emit more air pollution than previously estimated, study finds

As fires burn the landscape, they spew airborne gases and particles, though their impact on air pollution might be underestimated.

Dec 29, 2025 in Earth
Phys.org / Sugar-derived crystals show stiffness approaching that of aluminum

Mucic acid crystals grown from a water-based solution achieved a record-breaking stiffness for an organic crystal.

Dec 29, 2025 in Chemistry