Chimps and bonobos remember friendly faces even after decades apart, study finds

A new study suggests chimpanzees and bonobos remember each other’s faces even after spending years — or even decades — apart.

Chimps and bonobos remember friendly faces even after decades apart, study finds
Closeup of two chimpanzees, their faces pressed together as one grooms the other.

A new study suggests chimpanzees and bonobos remember each other’s faces even after spending years — or even decades — apart.