Are we really as altruistic as we might like to think? In the RSA's new animation series, we put into pictures Steven Levitt and Stephen Dubner's case for re-evaluating the evidence. Watch the full lecture here: www.thersa.org/events/video/archive/steven-levitt-and-stephen-dubner-superfreakonomics Find out more about the RSA at www.thersa.org Join the RSA on Facebook at www.facebook.com/thersaorg ------ This audio has been edited from the original event by Becca Pyne.