Contagious yawning can be annoying, but it might also be a sign of good social skills. It's a type of emotional contagion, a phenomenon in which we tend to share the feelings of people around us. Scientific American MIND editor Sandra Upson explains in our latest Instant Egghead video.

More to explore:

Ingroup-Outgroup Bias in Contagious Yawning by Chimpanzees Supports Link to Empathy (PLOS One)



Written & presented by Sandra Upson

Production assistant: Joss Fong

Produced & edited by Eric R. Olson