News

Life

Evolution of mammalian monogamy remains mysterious

Two large studies reach opposing conclusions about why males stay with females.

Physics

Doppler effect takes a spin

Light’s twistiness allows researchers to measure rotating object’s speed.

Humans

Y chromosome analysis moves Adam closer to Eve

A pair of genetic studies has pushed back age of men's most recent common ancestor.

Neuroscience

Camping resets internal clock

After a week in the wild, people went to bed and got up earlier.

Health & Medicine

Going out to lunch zaps mental focus

Sharing a midday meal with friends could lead later to errors at work.