Brian Greene discusses his latest project, World Science U, with writer Claudia Dreifus. Brian Greene is a professor of physics and mathematics at Columbia University, and is widely recognized for a number of groundbreaking discoveries in superstring theory, including the co-discoveries of mirror symmetry and topology change. His first book for general audiences, The Elegant Universe, was a finalist for the Pulitzer Prize, and has sold more than a million copies worldwide. His more recent books, The Fabric of the Cosmos and The Hidden Reality, were both New York Times bestsellers, and inspired the Washington Post to call him "the single best explainer of abstruse concepts in the world today." Greene's latest project, World Science U, brings...