News

Chemistry

A sweet way to replace petroleum?

Thanks to a new chemical process, many products now manufactured from petroleum could one day be made from sugar molecules.

Health & Medicine

Nerves are key to longevity effect

The life-extending effect that some animals get from calorie-restricted diets may depend on signals from the brain.

Earth

Double-acting bacteria immobilize toxic nanoparticles

Bacteria lurking in the bowels of an abandoned Wisconsin mine might help remove toxic metals from polluted water.

Animals

West Nile virus hits bird populations

West Nile virus has hammered populations of five common North American birds.