Extras

    Video thumbnail: NOVA First Horse Warriors Preview

    NOVA

    First Horse Warriors Preview

    The advent of horse riding changed the course of human history and our genetic makeup.

    First Horse Warriors Preview

    Video thumbnail: NOVA Milking a Horse is Harder than You Think

    NOVA

    Milking a Horse is Harder than You Think

    To milk a horse, one must trick a mother horse—and trick her well.

    Milking a Horse is Harder than You Think