Dan Ariely: Our buggy moral code

Behavioral economist Dan Ariely studies the bugs in our moral code: the hidden reasons we think it s OK to cheat or steal (sometimes). Clever studies help make his point that we re predictably irrational and can be influenced in ways we can t grasp. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate