On the penultimate day of the Milan Cortina Olympics, plenty of medals were up for grabs. Saturday was another historic day for Team USA, which will leave Italy with its most Winter Olympics gold medals ever.

While it may not look it to the naked eye, luge is one of the most complex sports at the Winter Olympics. Athletes race feet-first down an icy track without mechanical breaks, using only slight movements of their legs and torso to steer, all while sliding ...