News

Chemistry

Better hydrogen storage process unveiled

Scientists create a chemical switch that can catch and release the useful gas.

Humans

Evolution takes Asian refuge

Multiple humanlike species may have arisen in cold-weather retreats and then interbred with ancient people.

Life

Geneticists go ape for better primate family tree

The first gorilla genome and a more detailed look at chimp genetics provide new clues to evolution of humans and their closest relatives.

Health & Medicine

Retina can help reveal brain health

Among older women, diseased blood vessels at the back of the eye are linked to lower scores on mental tests and other signs of possible ministrokes.