Pain. That's what you'll have when you run long enough. Or do enough bicep curls. Or <insert your favorite suffering>. Not only is it...

The best, the most talented in each field often are the worst teachers possible due to a strange phenomenon: the CURSE OF COMPETENCY. Read..

Ever wonder if learning frontflip could be less subjective? Enter biomechanics of frontflip,explore physics and physiology of frontlfip