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First Kiss: Scientists Trace Smooching's Origins In New Study

In the words of Dua Lipa, one kiss is all it took about 21 million years ago. That's roughly when scientists estimate that ...

The World’s First Kiss Happened as Far Back as 21 Million Years Ago — Well Before the Existence of Humans, Study Suggests

A peer-reviewed study published in the 'Journal of the Human Behavior and Evolution Society' suggested that the world’s first ...