WILL ANYONE EVER RUN A 3 MINUTE MILE?

摘要

For a species that prides itself on its ath-letic prowess, human beings are a pretty poky group. Lions can sprint at up to 50 m.p.h. when they're chasing down prey. Cheetahs move even faster, flooring it to a sizzling 70 m.p.h. But most humans—with our willowy spines and awkward, upright gait—would have trouble cracking 25 m.p.h. with a tail wind, a flat track and a good pair of shoes.