This week's guest is that rarest of Probably Science breeds: A comic with a PhD. Scientist-turned-comedian Tim Lee joins Andy, Jesse and Matt to talk about crispness, anadromous fishes, California water subsidies, Australia's Big Banana, the problem with butt implants, next-generation CubeSats using iodine propellant, working in financial dark pools, The financial exposé Flash Boys, Jesse getting tricked by a prostitute, the lack of free speech in academia, the horror of bad seminars, the 10-year Rosetta mission landing Philae on a comet, the astounding number of proteins in testes, incorrect childhood assumptions about making and delivering babies, financial advice from Andy, the investment book A Random Walk Down Wall Street, our dwindling helium supply due to party balloons, rapidly evolving Floridian lizards, a great Johnny Carson biography, height classes in basketball leagues, why women and men don't play darts together, evolution misconceptions, homosexuality correlation among identical twins and the podcast's recent spike in German listenership.