Extras

    Video thumbnail: First Civilizations Rise of Inequality

    First Civilizations

    Rise of Inequality

    Explore the rise of inequality and threat of dictatorship.

    Rise of Inequality

    Video thumbnail: First Civilizations Humans Are Social

    First Civilizations

    Humans Are Social

    Humans are social creatures. Evolutionary Psychologist Michael Muthukrishna explains.

    Humans Are Social

    Video thumbnail: First Civilizations Next on Episode 3

    First Civilizations

    Next on Episode 3

    Investigate why cities were so integral to the rise of civilization.

    Next on Episode 3