When ya gotta go, ya gotta go, and if it sometimes seems like the urge to pee seems more pressing when others nearby are letting loose—well, there’s now a bit of science to back that up. It turns out ...

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 ...

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 ...