Mary Roach: 10 Things You Didn't Know About Orgasm
"Bonk" author Mary Roach delves into obscure scientific research, some of it centuries old, to make 10 surprising claims about sexual climax, ranging from the bizarre to the hilarious.
(This talk is aimed at adults. Viewer discretion advised.)
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Frans de Waal: Moral Behavior in Animals
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Stewart Brand: The dawn of de-extinction. Are you ready?
This video is Stewart Brand's Ted lecture on the scientific challenges and moral issues surrounding the resurrection of extinct species.