Smithsonian Magazine on MSN
How Did Humans End Up Smooching on the Lips? It May Have Started Out With a 21-Million-Year-Old Kiss
Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...
A new study released on Wednesday found that humanity's first kiss occurred roughly 21 million years ago, predating humans.
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