A new study showed that laughter is a better indicator in determining friendships than even speech. Volunteers were able to pinpoint groups of friends versus strangers by listening to their laughter.

A well-deployed laugh can help grease a social interaction, even if nothing is funny. Catherine Falls Commercial/Moment via Getty Images Laughter is an everyday reminder that we humans are animals. In ...

This article is republished from The Conversation. Laughter is an everyday reminder that we humans are animals. In fact, when recorded laughter is slowed down, listeners can’t tell whether the sound ...

Laughter is an everyday reminder that we humans are animals. In fact, when recorded laughter is slowed down, listeners can’t tell whether the sound is from a person or an animal. We throw our heads ...

When you laugh, the whole world laughs with you -- as long as your sentiment is genuine, your vocal chords are engaged, and your mouth is open. A new study found that people experienced the most ...

If you thought laughter was just a human trait, you couldn’t be more wrong. Many animals have their own unique ways of expressing joy.