Justin Z completes the Iowa gambling task, and opens up about a burgeoning interest in losing money at poker. Justin B links this to social media use. It works. Mostly. They also talk about self-driving cars (as any self-respecting podcast ought to), and a new type of male contraception inspired by a layered cocktail. Jeremy’s Iron is an excuse for two mates to geek out over science, research and publication. It’s a conversation between a biostatistician (Justin Zeltzer) and an orthopaedic surgeon (Justin Bobyn).