Full 90-minute program: Sexuality and gender play a profound role in shaping identity, but for much of human history how they are determined has remained obscure. How does sexual orientation develop? What is it? Can it be changed? What is the relationship between sexuality and gender? How do biology and culture interact to produce it? Why does homosexuality defy evolution’s dictate for reproduction? The long list of questions that has spanned centuries may finally be getting answers.
Watch shorts and more from this series here

Recorded June 2011; Posted September 2011