David Epstein appears in the following:
Kenyans have long-dominated long-distance running; breaking records, winning Olympic medals, and stupefying sports gurus along the way. So what is it that makes Kenyans so darn fast?
Friday, November 01, 2013
Legions of athletes, sports gurus, and scientists have tried to figure out why Kenyans dominate long-distance running. In this short, we stumble across a surprising, and sort of terrifying, explanation.