News

Animals

Stilts for ants make case for pedometer

Changing the leg length of desert ants upsets their ability to judge distance, providing the first evidence in any animal of a built-in odometer based on stride.

Planetary Science

Some deadly monikers

Two recently found small moons orbiting Pluto have now been officially dubbed Nix and Hydra.

Health & Medicine

Statins might lower risk of cataracts

Cholesterol-lowering drugs called statins might slow the formation of certain types of cataracts in the eye.

Earth

Radiation Redux: Forest fires remobilize fallout from bomb tests

A sensor installed to monitor fallout from modern nuclear tests has detected small amounts of radioactive cesium produced by bomb tests decades ago and sent skyward by forest fires.