Kissing goes back 21 million years, to the common ancestor of humans and other large apes, study finds - Live Science

1. Kissing goes back 21 million years, to the common ancestor of humans and other large apes, study finds  Live Science
2. First kiss dates back 21 million years, say scientists  BBC
3. A new analysis suggests kissing on the lips may have evolved 21 million years ago  CNN
4. Neanderthals and early humans ‘likely to have kissed’, say scientists  The Guardian
5. First kiss was 20 million years ago by early primates, scientists say  Reuters

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