Philosopher John Searle lays out the case for studying human consciousness — and systematically shoots down some of the common objections to taking it seriously. As we learn more about the brain processes that cause awareness, accepting that consciousness is a biological phenomenon is an important first step. And no, he says, consciousness is not a massive computer simulation. (Filmed at TEDxCERN.)
Lisa Miller is a professor of psychology and education at Teachers College, Columbia University. One day she entered a subway car and saw that half of it was crowded but the other half was empty, except for a homeless man who had some fast food on his lap and who was screaming at anybody who came close.