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.

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

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

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