<p>Why do animals move the way they do? And why do we humans love to run? Becky Ripley and Emily Knight enlist dogs, horses, armadillos, and some uncooperative rabbits to find out.</p><p>Featuring Professor Lewis Halsey from the University of Roehampton, and Dr Andrew Yegian from Harvard University. Produced and presented by Emily Knight and Becky Ripley.</p>