News

Earth

Germy with a chance of hail

Aerial microbes can trigger precipitation and may influence global warming.

Chemistry

Natural pain-killing chemical synthesized

Conolidine — a headache to isolate from the plant that makes it — can now be produced from scratch in the lab, opening the promising compound to study.

Life

Tarantulas shoot silk from their feet

The unique ability may give the heavy spiders a better grip and prevent deadly falls.

Psychology

Geometric minds skip school

Villagers' understanding of lines and triangles raises questions about how people learn the properties of objects in space.