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The Holy Quran

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 | Video on TED.com

Richard Dawkins on our "queer" universe | Video on TED.com

Benoit Mandelbrot: Fractals and the art of roughness | Video on TED.com

Margaret Wertheim on the beautiful math of coral | Video on TED.

Tom Wujec demos the 13th-century astrolabe | Video on TED.com

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 | Video on TED.com

Carter Emmart demos a 3D atlas of the universe | Video on TED.co

Nick Sears demos the Orb | Video on TED.com

Andrea Ghez: The hunt for a supermassive black hole | Video on T

Garrett Lisi on his theory of everything | Video on TED.com