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  • New Laetoli Footprints and Hominin Body Size

    New Laetoli Footprints and Hominin Body Size

    Data Point

    Scientists were excavating a site in Laetoli, Tanzania when they uncovered two new sets of hominin tracks located about 150 meters south of the tracks found by Mary Leakey in the 1970’s. They estimated the heights of the two individuals using the size and shape of the footprints.

  • Human Feet Are Strange

    Human Feet Are Strange


    In this hands-on activity students examine the evidence for the evolution of human bipedality as revealed by a trail of fossil footprints. Also available in Spanish.

  • Episode 3: Your Inner Monkey

    Episode 3: Your Inner Monkey

    Feature Film

    (54 min 51 sec) Join Neil Shubin as he links our hands, vision, and brains to ancient primate ancestors. PLEASE N​OTE: Due to international distribution restrictions, these programs can only be streamed in the United States and Canada.

  • The Tool-Making Animal

    The Tool-Making Animal

    Scientists at Work

    (5 min 41 sec) Stone tools reveal a critical transition in the lives of our early human ancestors. 

  • Film Guides: The Origin of Humans

    Film Guides: The Origin of Humans

    Film Guide

    The following classroom-ready resources complement Great Transitions: The Origin of Humans, which reveals the history of our evolutionary origins. Also available in Spanish.

  • Explore Your Inner Animals

    Explore Your Inner Animals

    Click & Learn

    This interactive explores different anatomical features of the human body and what they reveal about the evolutionary history we share with other organisms, including earlier, long-extinct species.

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