July 7th, 2013 | 1 hr 21 mins
Psychologist and author Jesse Bering joins us to talk about evolutionary psychology and his forthcoming book "Perv." In the relatively uncontroversial part of the episode, we ask if homophobia is an adaptation and if women have evolved rape defenses. After that, sex with animals, sex with bookshelves, foot fetishes, amputee fetishes, falling down the stairs fetishes... I don't know, just listen.