To celebrate the release of Supernatural Season 5 on DVD we have a great interview with PROFFESOR BILL MCGUIRE. Have you ever wondered what would happened if we were hit by an asteroid? Are you frightened by the rate in which we are destroying our planet? Does the possibility of human extinction intrigue you? All your questions on the End of the World answered Bill is a guest lecturer who speaks at a variety of different UK universities on the factors associated on how the world will come to an end. He is also a top selling author of books such as World Atlas of Natural Hazards, Surviving Armageddon: Solution for a Threatened Planet, and Global Catastrophes: a Very Short Introduction, A Guide to The End of The World. Bill is a member of the Association of British Sciences Writers and a regular contributor to radio, television, and the press on hazard-related matters.