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Are Humans Monogamous? (2020 Rerun)

Psychology In Seattle Podcast

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The Critical Hypothesis Is That Penis Shape Increases Probability of Conception

"We can't test that hypothesis because we just don't know. We have to conclude that there, that's a limitation," he says. "The shape of the head, by the way, is not scraping the inside of the uterus." But you'd be closer to an answer if women had sex with 10 different men and kept track of who had sex when like in which order. You would figure out at what point in that sequence of males is the most optimal for conception.

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