Lecture Collection from Stanford: Human Behavioral Biology. (March 29, 2010) Stanford professor Robert Sapolsky gave the opening lecture of the course entitled Human Behavioral Biology and explains the basic premise of the course and how he aims to avoid categorical thinking. How many of you think there is a genetic influence on sexual orientation? How many of you think prenatal events influence your political opinion 30 years later? Is there a valid way with biology to understand who is religious and who isn't? Does it explain people's beliefs in God, Souls, Evil, Free Will and Evolution? Get answers to these questions and more on this lecture collection from Stanford University on Human Behavioural Biology.