This week on Know It All, Greg Brown and Mitch Moffit from AsapSCIENCE wonder …why do we all love lying so much? Inspired by the remake of the famous story about a liar, Guillermo del Toro's Pinocchio, they delve into the reasons human beings lie, why we sometimes can't get enough of it, and the surprising benefits to both ourselves and our societies that we get from lying.