Nancy Etcoff: Happiness and its surprises

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. 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 change, Philippe Starck on design, Jill Bolte Taylor on observin