Snakes, Pando in Trouble, Spreading Misinformation, Exploring a New Island

Herpetologist Mark O'Shea shares his love for snakes. Paul Rogers talks about Pando, a quaking aspen grove and the world's largest living organism. Cailin O'Connor discusses why we persist in believing falsehoods. James Garvin & Dan Slayback talk about their research into a new island formed in Tonga and what we can learn from it about our planet and other planets.