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Student winners talk about their social entrepreneurship projects. 01:41
Full Program: Astronomers on the brink of finding “another Earth” in our galaxy, using a new planet-hunting machine: the Kepler telescope; Rudy Tanzi, a pioneer in discovering genes for Alzheimer’s disease, and... 52:19
Former British prime minister discusses Americans' need to invest in technology and education for the future. 02:48
Nichole Pinkard emphasizes the importance of media literacy in education. 06:48
Invisibility cloaks. Spider silk that is stronger than steel. Plastics made of sugar that dissolve in landfills. Self-healing military vehicles. Smart pills and micro-robots that zap diseases.... 00:33