SportsEngine

Olympic athletes, trainers and a sports scientist and chemist explain why cross-country skiers are among the fittest athletes in the world.

Sending the 42-lb. granite curling stone down a long sheet of ice toward the center of a bull's-eye target is all about friction and surface physics.

The slapshot is explained by Thomas Humphrey, Kathy FLores, and Olympic hockey players Julie Chue and Zach Parise.

Skates used by Olympians are custom-engineered by materials scientists to meet the demands for each sport.

Learn how Olympic figure skaters do triple axels and quadruple toe loops.

Arithmetic and math are part of every Winter Olympic event and every move Olympic athletes make on snow or ice.

The organization of human cells through training, exercise and "muscle memory" produce the fantastic range of Olympic motion.

Helmets are extremely important in protecting Winter Olympic competitors.

The chemistry and materials science used to create aerodynamic competition suits is explained.

A downhill ski race is a tour de force--emphasis on force.