News

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.

Life

Suspect bacterium may trigger Parkinson’s

A study in mice shows that H. pylori, the microbe that causes stomach ulcers, may also affect the brain.