It's not often you find the label 'Viewer discretion advised' accompanying a science talk. But that is what this Ted Talk by author Mary Roach warns. And for good reason. In her talk, Roach, bestselling author of 'Stiff' and 'Bonk,' shows a highly disturbing movie of a pig farmer inseminating and 'manually stimulating' a female pig to improve its litter numbers.
Aside from the cringe-worthy film, the talk is actually quite interesting. But for all the crazy experiments that have been done over the years to examine orgasms, we still have no clue what evolutionary purpose the behavior serves in us. So although I'm still not sure why it's 'good for me,' I do know why it's good for a pig.
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