Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points ...
ZME Science on MSN
Scientists Say Kissing Is Over 20 Million Years Old and It’s Not Just a Human Thing
Scientists from Oxford and University College London traced kissing back 21.5–16.9 million years to the common ancestor of ...
A new study has found evidence that kissing evolved in the common ancestor of humans and other large apes around 21 million ...
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