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.
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Ayesha Rascoe is the host of Weekend Edition Sunday and the Saturday episodes of Up First. As host of the morning news magazine, she interviews news makers, entertainers, politicians and more about the stories that everyone is talking about or that everyone should be talking about.