Follow us on Facebook: www.Facebook.com/EmoryUniversity Follow us on Twitter: www.Twitter.com/EmoryUniversity Follow us on Google+: www.Gplus.to/Emory Frans de Waal is director of the Living Links Center at the Yerkes National Primate Research Center and a professor of psychology at Emory University. His current research includes food-sharing, social reciprocity, and conflict-resolution in primates as well as the origins of morality and justice in human society. De Waal draws on his own work with primates to illustrate the evolution of morality. For more big ideas, visit bigthink.com/emoryuniversity