News

Science & Society

Lost wallets are more likely to be returned if they hold cash

Worldwide, return rates of lost wallets goes up as the money inside increases, contradicting the idea that people act in their own self-interest.

Oceans

The world’s fisheries are incredibly intertwined, thanks to baby fish

A computer simulation reveals how one nation's management of its fish spawning grounds could significantly help or hurt another country's catch.

Genetics

DNA confirms a weird Greenland whale was a narwhal-beluga hybrid

DNA analysis of a skull indicates that the animal had a narwhal mother and beluga father.

Climate

Cold War–era spy satellite images show Himalayan glaciers are melting fast

Declassified spy satellite photographs reveal that glacier melt in the Himalayas has sped up dramatically in the last two decades.