What makes a scientific revolution? Thomas Kuhn said it’s when a new paradigm blows the old scientific model out of the water. Fifty years later, we examine Kuhn's legacy, and talk with iconoclastic scientist Rupert Sheldrake, who says science is mired in untested dogmas. Also, stories of two...Read more







Creativity is a little like obscenity: You know it when you see it, but you can't exactly define it....unless you're a neuroscientist. In labs around the...