Simple Symmetry, Complex Solution

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Cary Fowler: One seed at a time, protecting the future of food | Video on TED.com

Brian Cox on CERN's supercollider | Video on TED.com

Zach Kaplan and Keith Schacht demo toys from the future | Video on TED.com

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

Sirena Huang dazzles on violin | Video on TED.com

Benjamin Zander on music and passion | Video on TED.com

Richard St. John's 8 secrets of success | Video on TED.com

Christopher deCharms looks inside the brain | Video on TED.com

Tan Le: A headset that reads your brainwaves | Video on TED.com

Ray Kurzweil on how technology will transform us | Video on TED.com

Gregory Stock: To upgrade is human | Video on TED.com

Jill Bolte Taylor's stroke of insight | Video on TED.com

Bill Gates on energy: Innovating to zero! | Video on TED.com

Eric Giler demos wireless electricity | Video on TED.com

Ken Robinson says schools kill creativity | Video on TED.com

Gever Tulley teaches life lessons through tinkering | Video on TED.com

VS Ramachandran on your mind | Video on TED.com

Stefan Sagmeister shares happy design | Video on TED.com

Johanna Blakley: Lessons from fashion's free culture | Video on TED.com

William Kamkwamba: How I harnessed the wind | Video on TED.com

Hans Rosling shows the best stats you've ever seen | Video on TED.com

J.J. Abrams' mystery box | Video on TED.com

Juan Enriquez shares mindboggling science | Video on TED.com

Craig Venter is on the verge of creating synthetic life | Video on TED.com

Stephen Wolfram: Computing a theory of everything | Video on TED.com

Mitchell Joachim: Don't build your home, grow it! | Video on TED.com

Rachel Armstrong: Architecture that repairs itself? | Video on TED.com

Paul Stamets on 6 ways mushrooms can save the world | Video on TED.com

Aubrey de Grey says we can avoid aging | Video on TED.com

Alan Russell on regenerating our bodies | Video on TED.com

Susan Savage-Rumbaugh on apes | Video on TED.com

Robert Sapolsky: The uniqueness of humans | Video on TED.com

Beau Lotto: Optical illusions show how we see | Video on TED.com

Bill Joy: What I'm worried about, what I'm excited about | Video on TED.com

Marvin Minsky on health and the human mind | Video on TED.com

Johnny Lee demos Wii Remote hacks | Video on TED.com

Blaise Aguera y Arcas demos augmented-reality maps | Video on TED.com

Wade Davis on endangered cultures | Video on TED.com

Majora Carter's tale of urban renewal | Video on TED.com

John Francis walks the Earth | Video on TED.com

Rick Warren on a life of purpose | Video on TED.com

Dan Dennett's response to Rick Warren | Video on TED.com