When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

An electronic eye implant has restored vision in people with blindness caused by age-related macular degeneration.

Some of today’s most capable AI systems are refined versions of large language models (LLMs) that predict text on the basis ...

Slow, sleep-like brain waves persist in part of the brain that has been surgically disconnected from the rest of the organ even though the person is awake. The findings 1, published in PLoS Biology, ...

Architects and microbiologists are exploring whether making buildings hospitable to friendly microorganisms can improve human ...

A second blood test has been been approved by the US Food and Drug Administration to assist in diagnosing Alzheimer’s disease ...

Who will pay for global health? Scientists and policy leaders explored this question when they met this week at the World ...

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

CRISPR-based tools can’t easily access the DNA in these organelles, but researchers are finding other ways in.

Online stereotypes about younger women and older men could impact real-world hiring decisions.

Tests of large language models reveal that they can behave in deceptive and potentially harmful ways. What does this mean for ...