40: September 13th, 2015: Gems, Gadgets and Goats This week we cover a bike, an expensive rock, twins, sealing records, selling body parts, and goats. Expensive Rock Double Take, Double Take Don’t sell your kidney Humans vs. Nature Clearing the land Download episode 40| Duration: 9:13| Recorded on September 19, 2015| File size: 14.7M