EPISODE 70 - The Secrets of the Wizard o fOz

Pink elephant caught on camera, Venus clouds might harbour life, Secrets of the Wizard of Oz, Bad blood in Tuskegee, Eight surprising fossil finds, Female inventors who reinvented our world, Fossil sea-monsters bite makes T-Rex look feeble, Scholar claims dead sea scrolls authors never existed, Students send cheap camera to edge of space, Finn creates finger USB drive