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 ...

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 ...

A new study finds that captive chimpanzees may sometimes catch the urge to pee from other chimps. While watching a group of captive chimpanzees for her graduate research, Ena Onishi noticed something ...