We’ve all heard that yawning can be contagious, right? Well, apparently, it’s also true with peeing. A new study found that people and chimpanzees may also have the “let’s all pee in a group” function. Observing chimps at Japan’s Kumamoto Sanctuary for literally hundreds of hours, researchers learned that when one chimp decided it was time to take a leak…”others would often follow suit”…much like their human counterparts do.
Source: Current Biology