Single page link for those who would prefer to read the article as one single whole: http://www.slate.com/articles/sports/sports_nut/2012/06/long_distance_runni

Single page link for those who would prefer to read the article as one single whole: http://www.slate.com/articles/sports/sports_nut/2012/06/long_distance_running_and_evolution_why_humans_can_outrun_horses_but_can_t_jump_higher_than_cats_.single.html http://www.slate.com/articles/sports/sports_nut/2012/06/long...