You think, therefore… what?   We can’t be sure of much when it comes to consciousness.  Not only do scientists not agree on what consciousness is – they don’t agree on whether they ever will be able to agree!  What if you’re not you, but a self-aware supercomputer?  Could you tell the difference?  Is consciousness an emergent phase transition?  What does that even mean?  Grab the aspirin and help us explore these questions, together with a little help from A.I. expert Marvin Minsky.  Also, put down that can of Raid!  He may be small and repulsive, but that cockroach in your pantry just might be contemplating its own existence.  (Okay, now blast ‘m).Guests: Marvin Minsky – Founder of MIT’s Artificial Intelligence Laboratory and author of The Emotion Machine Patricia S. Churchland – Professor of Philosophy, University of California, San Diego Susan Clancy - Psychologist at Harvard University and author of Abducted: How People Come to Believe They Were Kidnapped by Aliens Jaron Lanier –  computer scientist, composer, visual artist, and author. He writes a monthly column for Discover Magazine John R. Searle – Professor of Philosophy at the University of California, Berkeley and author of Freedom and Neurobiology; Reflections of Free Will, Language, and Political Power Nicholas Strausfeld – Neurobiologist at the University of Arizona at Tucson Less