Yes, Simba, Chimps Laugh

Human laughter has its origins in chimpanzee's heavy panting, which signals an intent to play.
( Peter Bischoff / Getty )
Produced by Amanda Aronczyk
Hosted by Mary Harris
Music Credits: "Modulation of the Spirit" by Little Glass Men , "Lucid Clouds" by Mokhov , "Have You Seen My Keys" by Tomo Nakayama from Audiosocket , "Feelings (Instrumental)" by Leo Islo
WNYC Studios