After superhuman efforts, athletes often race again just days later.
Olympic athletes must consider elevation when training.
Sochi's elevation makes speed-skating world records unlikely.
A temporary tattoo containing sensors can detect levels of dehydration and exhaustion.
A new polymer material reduces the force of collisions.
A clever mind game may help you score a birdie!
New technology can give warning before an injury takes a player out of the game.
This offseason, concussions managed to find their way into the everyday discussion of football.
Intensification of the game puts more stress on players' bodies.