The Science of Monogamy and Our Mysterious Lifespan

Why do humans live in monogamous couples, sharing parenting responsibilities? What does the difference in size between men and women have to do with marital infidelity? Why do females of our species stop having children in midlife and continue living so long? In part three of this special lecture series, Jared Diamond explores the unique features of the human lifecycle, looking to evolution for clues as to how we became what we are.

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