What Have You Changed Your Mind About? -- That is the question that the website, Edge.org, posed this year to 165 leading scientific minds. The answers, which are all over the map, can be found here. (Make sure that you scroll down the page a little.) Some of the more well-known thinkers to offer their thoughts include: Richard Dawkins, J. Craig Venter, Daniel Goleman, Sherry Turkle, Daniel Dennett, Steven Pinker and Stewart Brand. And then even Alan Alda is added to the mix.