Laughter can communicate a lot more than good humor – people use it to smooth social interactions
A well-deployed laugh can help grease a social interaction, even if nothing is funny. Catherine Falls Commercial/Moment via Getty ImagesLaughter 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 back and bare our teeth in a monkeylike grin. Sometimes we double over and lose our ability to speak for a moment, reverting temporarily to hooting apes. And just as
Source: yahoo.com