What drives our desire to behave morally? Neuroeconomist Paul Zak shows why he believes oxytocin (he calls it “the moral molecule”) is responsible for trust, empathy, and other feelings that help build a stable society. (Recorded at TED Global, July 2011, in Edinburg, Scotland. Duration: 16:35.)
Watch Paul Zak’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1,000+ TEDTalks.