Imagine watching a video of a chimpanzee. The ape pulls its lips back in a wide, playful grin. Without realizing it, the ...

Introduction: primatological perspectives on language / Barbara J. King -- Viewed from up close: monkeys, apes, and language-origins theories / Barbara J. King -- Primate social organization, gestural ...

Humans don’t just recognize each other’s voices—our brains also light up for the calls of chimpanzees, hinting at ancient communication roots shared with our closest primate relatives. Researchers ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or ...