In flight tests, a lean-burn engine cut soot about a thousandfold, but tinier exhaust particles that can seed contrails ...

Weak molecular connections allow protein building blocks to separate, try again, and eventually lock into the stable ...

If Earth instantly stopped spinning, the physics of a car crash would happen on a planetary scale. If Earth suddenly stopped spinning, the ground would stop and everything on it would not. That ...

The same objects can trigger different pupil responses depending on whether people judge qualities such as glossiness or attractiveness.

Paper2Agent turns research papers into AI agents that run each study's own code, and three of them helped flag a likely ...

Network stability often improves when a system's parts differ, but only inside a narrow band, and a big enough mismatch ...

A study tracked one cotton T-shirt from mill to landfill and found 44 percent of its fiber was wasted before it reached a store.

Animals experience the world in surprising ways humans cannot, a difference at the heart of this year’s World Animal Day theme.

Of 1,357 AI devices the FDA has cleared for use in patient care, three were tested on whether patients lived longer or better.

On a clear photo, today’s AI vision models can name a bear or a mushroom about as reliably as a person can. Rebuild an object ...

Deep Nullarbor caves slowly collapsed and left shallow trenches behind, clues that may help geologists spot buried caves, ...

Stroke survivors whose undamaged brain half showed an older brain age had worse language problems and tended to gain less from therapy.