Meet experimental psychologist Steven Pinker in this video profile from NOVA’s “The Secret Life of Scientists & Engineers.” From an early age, Steven was fascinated by people and human nature. Today, he researches and explores cognition, language, ethics, and the history of human violence. In his spare time, he made frequent appearances on “The Colbert Report,” where he endured endless jokes about his hair from host Stephen Colbert. This resource is part of the NOVA: Secret Life of Scientists & Engineers Collection.