This year marks the 150th anniversary of Charles Darwin’s Descent of Man. As part of the celebration, the Center for the Dynamics of Social Complexity (DySoc) organized a series as Outreach for the Cultural Evolution Society: Celebrating the 150th anniversary of the The Descent of Man (http://www.dysoc.org/dom_webinars). I presented the most up-to-date version of the “Cultural Brain Hypothesis, Collective Brains, and the Evolution of Intelligence”. You can watch the talk below: