Episode 99 Adrift and Encrusted ( Week 3 of Aug 2015 ) Segments: Vegan Diet, Barnacles, Magnetic Pole Flip, Columbus and the Pox. Sketches: Multiverse Notes: Powerhouse tickets Study Suggests Carbs Fueled Human Evolution Turtle Migration Stable Isotopes What iron age cooking can tell us about Earth's magnetic field Planets' magnetic fields Hydraulic Telegraph Comments To comment, register and log in using your email. Log in