Caleb Harper of MIT creates "food computers" that are helping to change the landscape of our food system.
Skip Rizzo is a clinical psychologist who uses virtual reality to help treat patients.
Attenuators are creating an extra layer of safety for road workers and save lives.
After losing both of his legs in a mountain climbing accident, Hugh Herr has dedicated his life to designing the next generation of bionics.
Combat Medics are training with high-tech mannequins to treat real-life injuries in combat and save lives.