A captivated audience watches the dizzying spins of gymnasts, the powerful glides of top swimmers, and the goal-scoring kicks of soccer players. The Summer Olympics have started! But there's more than speed and skill involved in the athletes' medal-worthy performances. Science plays a role in each well-rehearsed movement, in top speeds, and even in the protective gear used in the Olympics. Go behind the scenes to have a close look at how science is involved in your favorite Summer Olympic sports, including gymnastics, swimming, track and field, and soccer. Behind every long stride, high-flying pole vault and perfectly controlled discus throw, science is at work. As a high jumper takes off, potential energy is converted into kinetic energy. A discus thrower builds up momentum while spinning. Find out how science is involved in Olympic track and field events and how athletes take science into account in their quest for the gold medal.