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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 ...
Kissing could be 21 million years old. NPR's Ayesha Rascoe speaks to Matilda Brindle an evolutionary biologist from Oxford University about the origins of smooching.
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