The study defined kissing, in part, as “oral-oral contact with some movement of the lips/mouthparts and no food transfer” ...
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.
In the words of Dua Lipa, one kiss is all it took about 21 million years ago. That's roughly when scientists estimate that ...