We've all had the experience: that urge to do something wrong just for the hell of it. From walking on grass we're told to keep off, to fantasies of violence towards someone we find a minor annoyance. Join Yale psychologist Paul Bloom as he invites us to see the clever, creative and beautiful side of our impulses toward evil.  

"Paul Bloom has a gift for spotting paradoxes in human nature." - Steven Pinker