Revealed: When the world’s first kiss happened
20 Nov 2025 | Category: Science
It is not a recent cultural development. A new study in Evolution and Human Behavior suggests kissing may date back 21 million years, likely beginning with the common ancestor of humans and other great apes. The researchers also believe Neanderthals shared a smooch, too. But why is this significant?
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When was the first kiss? Scientists say 21M years ago
Scientists suggest that the act of kissing evolved over 21 million years ago, a practice shared by humans and their great ape …