Teens Win Top Honors For Xbox Innovation

Host Robert Siegel speaks with Cassee Cain and Ziyuan Liu, who recently won the team portion of the Siemens Competition in Math, Science and Technology. The high-schoolers from Oak Ridge, Tenn., modified the Kinect device for Microsoft's Xbox 360 in order to analyze human gait. Cain and Liu hope to use the device to diagnose and treat medical problems that affect movement.