Comedian Brody Stevens, Stupid Condors, and Inside Our Guts
July 3, 2014•52 min
A peak inside the human digestive system with science writer Mary Roach. Comedian Brody Stevens about his mental breakdown. The New Yorker?s Elizabeth Kolbert says the earth is currently going through an extinction period. And we find out why an attempt to save condors is actually making the birds stupid.