JulyDiaz 2797 Posted February 13, 2018 Longtime listeners know: math is Chris Gethard's nemesis. A real-life mathematician calls in and gives Gethard the most thrilling math quiz ever on a podcast. (We feel safe making that claim.) He also talks about his struggle with substances in college and getting sober. Geth also tells a never-before-heard story about an unusual religious ceremony in the rainforest, which involves hallucinogens and terrible diarrhea. Share this post Link to post