Kissing started 20 million years ago, long before humans existed - upi.com


11/22/2025

Kissing started 20 million years ago, long before humans existed  upi.comFirst kiss dates back 21 million years, say scientists  BBCHow Did Humans End Up Smooching on the Lips? It May Have Started Out With a 21-Million-Year-Old Kiss  Smithsonian MagazineWhy do we kiss? New research finds the answer goes back 21 million years  NPRKissing Has Existed for at Least 16 Million Years, Scientists Say  The New York Times...

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