Science unscripted

How different are the brains of boys and girls?

A new study shows a sex difference in the early growth of the human brain. Does it matter?

When a pet’s death really hurts

The loss of a pet can affect you more than losing a loved one, a new study shows. With one exception.

Why do humans have (relatively) large penises?

Compared to chimps or gorillas, human males are unusually well endowed. A new study suggests it's partly because men 'size each other up' before a fight.

How casual hookups are good (and healthy) for singles

You really do benefit from 'friends with benefits,' a new study suggests. Also, a forgotten birthday can tank employee morale and a look at how the Autobahn lead to more support for the Nazi party.

The anomie within

When it feels like society's breaking down right before your eyes, it's called anomie. And it can lead to an even a darker place.