News

Climate

Sharks could serve as ocean watchdogs

Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.

Ecosystems

Arctic melting may help parasites infect new hosts

Grey seals and beluga whales encounter killer microbes as ranges change.

Math

Goldberg variations: New shapes for molecular cages

Scientists have figured a way to iron out the wrinkles in a large class of molecular cages.

Health & Medicine

Cocaine use appears to boost stroke risk in young people

A study of young and middle-aged adults adds to evidence of the drug’s harmful effects.