Bald Hope
An arthritis drug may inspire a new class of topical hair-restoring treatments.


Damselfish attract multiple predators with a chemical cue, giving themselves a way to escape.


Neuroscientists are studying interactions by squeezing two people into an MRI scanner.

Monarch butterflies use the Earth’s magnetic field to guide their migration.
Our bodies produce a surprising amount of heat, which could be turned into electricity.

