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Kissing Likely Began 20 Million Years Ago With Ape Ancestors and Neanderthals
Kissing turns out to be far older—and far more cross-species—than most people imagine. By tracing this intimate behavior across the primate family tree, researchers uncovered evidence that great apes, early human relatives, and even Neanderthals likely engaged in kissing millions of years ago. Evolutionary Mystery of Kissing Behavior Kissing occurs in a variety of animals, [...]