Extras

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

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