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Hold on to your butts. This episode is about… butts. The science and evolutionary history of your rear end, the downlow on your derriere, shining a little light where the sun don't shine… you get the picture. But(t) seriously, we don't talk about this allimportant hole enough, and how, from an evolutionary perspective, it might be the most important orifice on your body.

References: https://sites.google.com/view/briefhi...



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