AMSTERDAM — Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago, according to a study published on Wednesday. Researchers from ...
Kissing occurred around 21.5 to 16.9 million years ago, the researchers said. Stories have long been swapped on awkward first kisses and princesses smooching frogs, but a new study suggests the ...
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