Science ❯ Biology ❯ Evolutionary Biology

Primate Behavior

Kissing Behavior Kissing Communication Alcohol Consumption

Study Traces Primate Kissing to a Common Ape Ancestor 16–21 Million Years Ago

Bayesian modeling with a standardized cross-species definition infers deep evolutionary roots for mouth‑to‑mouth contact.

Study Traces Kissing to Ape Ancestors 21 Million Years Ago, With Neanderthals Likely Kissers