Feb. 2 (UPI) --To hunt successfully, cheetahs must keep their head still and eyes focused on the movements of their prey while running at high speed. How does the fastest animal in the world do it?

In Botswana, a cheetah explodes into action, and so does its collar. Within seconds, it hits a top speed of 59 miles per hour, driven by leg muscles that generate more power than those of any other ...