While watching a group of captive chimpanzees for her graduate research, Ena Onishi noticed something odd about the primates. "They seemed to have a tendency to urinate around the same time," said ...

Like an infectious smile or a mirrored yawn, peeing may be a socially contagious behavior that is overlooked and potentially widespread among primates. A study of 20 captive chimpanzees (Pan ...

As a kid, my father taught me at an early age everything I needed to know about work ethic. Before baseball practice one day he said, “Show up before everyone else, work harder than everyone else, be ...

If you've ever felt an urge to scratch after witnessing someone else relieve their own itch, you're certainly not alone. Itching can be contagious and the phenomenon is so common it doesn't just ...