Garik Israelian: How spectroscopy could reveal alien life | Vide. David Deutsch: A new way to explain explanation | Video on TED.c. Marcus du Sautoy: Symmetry, reality's riddle. Richard Dawkins on our "queer" universe. Benoit Mandelbrot: Fractals and the art of roughness. Margaret Wertheim on the beautiful math of coral | Video on TED. Tom Wujec demos the 13th-century astrolabe. Philip Zimbardo prescribes a healthy take on time | Video on TED. Zach Kaplan and Keith Schacht demo toys from the future | Video. Patricia Burchat sheds light on dark matter. Carter Emmart demos a 3D atlas of the universe | Video on TED.co.
Nick Sears demos the Orb. Andrea Ghez: The hunt for a supermassive black hole | Video on T. Garrett Lisi on his theory of everything.