Physicist and science populariser Paul Davies talks to Naked Astronomy's Ben McAllister about some of the toughest questions cosmologist are grappling with: how did the Universe begin and how will it end, what provoked the Big Bang, and are we part of a "Multiverse"? The duo also take in Dark Matter, extraterrestrial beings, consciousness, free will and whether it exists, and the origins of life itself... Like this podcast? Please help us by supporting the Naked Scientists