Are Humans Meant for Monogamy?

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We explore the history of monogamy and what science tells us about the true nature of human sexuality. Psychologist Christopher Ryan joins us to discuss his book "Sex at Dawn," which challenges conventional wisdom about mating and marriage, tracing the prehistoric origins of modern sexuality to explain why people have so much trouble sticking with just one sexual partner.


Christopher Ryan, psychologist and co-author of "Sex at Dawn: The Prehistoric Origins of Modern Sexuality"