News

Health & Medicine

Gene therapy helps counter hemophilia B

Treatment enables cells to produce a key blood-clotting compound, allowing some patients to quit medication.

Chemistry

Deep-sea battery comes to light

Microbes fuel a weak electrical current at hydrothermal vents.

Earth

Weather affects timing of some natural hazards

Seasonal patterns in earthquakes and volcanic eruptions can be linked to rain and snow in certain locations.

Humans

Tools of a kind

People in southern Arabia around 100,000 years ago made tools like those of East Africans.

Life

Mere fear shrinks bird families

Just hearing recordings of predators, in the absence of any real danger, caused sparrows to raise fewer babies.