"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...
First kiss was 20 million years ago by early primates, scientists say – Nation and World News | West Hawaii Today ...
They found the act of kissing can be traced all the way back to the last common ancestor of humans and other great apes, ...
A new study reveals kissing began in the common ancestor of humans and great apes 21 million years ago, and even Neanderthals ...
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