CNN Sanjay Gupta MD November 2, 2013 20:49:00
The animal world. he's got a new book it's called "the story of the human body." and he said anyone can learn to run faster with less effort. ♪ >> the question really was how did people hunt before the invention of technology such as the bow and arrow which was only about 100,000 years ago. we think our ancestors evolved to run that animals galloped in the heat and therefore they can run them into heat stroke and kill them. this is a treadmill that has got a force plate built into it. it's, like, a fancy scale that measures forces in every dimension. each one of these markers is just reflect...
Source: archive.org