Scientists pinpoint jealousy in the monogamous mind

Jealousy leads to increased brain activity in areas associated with social pain and pair bonding in monogamous monkeys, finds a study published today in open-access journal Frontiers in Ecology and Evolution. The study is ...

It's a titi! New monkey species found in Peru

For nearly a century the carcass of a small, reddish-brown monkey from South America gathered dust in a windowless backroom of the American Natural History Museum in New York City.