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 ...

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 ...

According to a recent cross-cultural study on the perception of real verses fake laughter, people can tell when your heart's not in it. But it's no big deal. With the help of 884 study participants ...