Why Your Body Is Built To Run Long Distances Marathons are very popular all around the world, but were humans built for endurance running? Facebook Prev Article Next Article Health Checkout these cool gadgets... Related Posts Mapping veins as human 'bar code' Dentists existed in Stone Age ! DCA. Possible cure for cancer? Carkoon – Kevlar Car Seat That Envelops Child In Fireproof Cocoon Professor Gets A Camera Implanted Into His Head Bionic Vision