Phys.org news

Phys.org / Humans driving extinctions on scale not seen since dinosaurs, scientists say

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, according to scientists. Their study, based on a review of decades of research on environmental change, ...

Oct 16, 2025 in Biology
Phys.org / What vibrating molecules might reveal about cell biology

Infrared vibrational spectroscopy at BESSY II can be used to create high-resolution maps of molecules inside live cells and cell organelles in their native aqueous environment, according to a new study by a team from HZB ...

Oct 16, 2025 in Nanotechnology
Phys.org / Climate whiplash effects due to rapidly intensifying El Niño cycles

A new study published in the journal Nature Communications reveals that the El Niño-Southern Oscillation (ENSO), a key driver of global climate variability, is projected to undergo a dramatic transformation due to greenhouse ...

Oct 16, 2025 in Earth
Phys.org / Global research shows how Dust Bowl-type drought causes unprecedented productivity loss

A global research effort led by Colorado State University shows that extreme, prolonged drought conditions in grasslands and shrublands would greatly limit the long-term health of crucial ecosystems that cover nearly half ...

Oct 16, 2025 in Earth
Phys.org / Analysis details the where, and who, of increased hurricane power outages in the future

Georgia and northern Florida are likely to be hardest hit by increasing hurricane-induced power outages along the Atlantic coast in the future, with Hispanic, non-white and low-income populations most affected, according ...

Oct 16, 2025 in Earth
Phys.org / Researchers discover spontaneous chirality in conjugated polymers

Chirality, a property where structures have a distinct left- or right-handedness, allows natural semiconductors to move charge and convert energy with high efficiency by controlling electron spin and the angular momentum ...

Oct 16, 2025 in Chemistry
Phys.org / Ancient ocean warming reveals new insights into stability of West Antarctic Ice Sheet

The West Antarctic Ice Sheet (WAIS) is one of the most dynamic regions of the Antarctic continent. Much of its bed lies below sea level, making the region particularly sensitive to ocean warming. Understanding the development ...

Oct 16, 2025 in Earth
Phys.org / A hitchhiker's guide to the galaxy of space immunology

With the advent of commercial spaceflight, an increasing number of people may be heading into space in the coming years. Some will even get a chance to fly to the moon or live on Mars.

Oct 16, 2025 in Astronomy & Space
Phys.org / Aerosols from pollution are shifting rainfall from land to sea in Southeast Asia, study finds

Tiny airborne particles known as aerosols, from biomass burning, urban pollution, and industrial emissions, can dramatically alter rainfall, cloud formation, and atmospheric stability. A new study led by Professor Kyong-Hwan ...

Oct 16, 2025 in Earth
Phys.org / Atom-swapping blueprint could streamline synthesis of pharmaceutical building blocks

Researchers from NUS have pioneered a photocatalytic atom-swapping transformation that converts oxetanes into a variety of four-membered saturated cyclic molecules, which are key scaffolds in medicinal chemistry. By introducing ...

Oct 16, 2025 in Chemistry
Phys.org / Most users cannot identify AI racial bias—even in training data

When recognizing faces and emotions, artificial intelligence (AI) can be biased, like classifying white people as happier than people from other racial backgrounds. This happens because the data used to train the AI contained ...

Oct 16, 2025 in Other Sciences
Phys.org / How a pit-shaping module sustains xylem hydraulics and rice grain yield

Xylem vessel pits are tiny openings on the cell wall of water-conducting cells—with pit geometry influencing crop yield through its effect on plant hydraulics and nitrogen transport.

Oct 16, 2025 in Biology