How social learning made us hugely successful as a species | Nicholas Christakis

- What distinguishes humans is social learning — and teaching. - Crucial to learning and teaching is the value of free expression. - And we need political leaders who support environments of social peace and cooperation. Nicholas A. Christakis is a physician, sociologist, and director of the Human Nature Lab at Yale University, where he is the Sterling Professor of Social and Natural Science. His most recent book is Blueprint: The Evolutionary Origins of a Good Society (https://amzn.to/2VpXp3S) Read more at BigThink.com: Follow Big Think here: YouTube: http://goo.gl/CPTsV5 Facebook: http://bit.ly/1qJMX5g Twitter: https://twitter.com/bigthink