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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Thandie Newton: Embracing Otherness, Embracing Myself
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James Hansen: Why I Must Speak Out About Climate Change
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.