Size does matter... or does it?

Want some insight into why I'm reading the book BONK right now? Watch the author's TED talk here:

Mary Roach: 10 things you didn't know about orgasm

About this talk

"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.)