Tali Sharot: The optimism bias - YouTube I'm going to talk to you about optimism -- or more precisely, the optimism bias. It's a cognitive illusion that we've been studying in my lab for the past few years, and 80 percent of us have it. It…

Jim Fallon: Exploring the mind of a killer - YouTube I'm a neuroscientist, a professor at the University of California. And over the past 35 years, I've studied behavior on the basis of everything from genes through neurotransmitters, dopa…

Ken Kamler: Medical miracle on Everest - YouTube OK. We've heard a lot of people speak at this conference about the power of the human mind. And what I'd like to do today is give you a vivid example of how that power can be unleashed when …

James Randi: Homeopathy, quackery and fraud ... Good morning. Happy to see so many fine folks out here and so many smiling faces. I have a very peculiar background, attitude and approach to the real world because I am a conjurer. Now, I pr…