Nancy Etcoff on the surprising science of happiness

About this talk
Cognitive researcher Nancy Etcoff looks at happiness -- the ways we try to achieve and increase it, the way it's untethered to our real circumstances, and its surprising effect on our bodies.
About Nancy Etcoff
Nancy Etcoff is part of a new vanguard of cognitive researchers asking: What makes us happy? Why do we like beautiful things? And how on earth did we evolve that way?