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(Photo: TED / Asa Mathat) SETI Institute, an interdisciplinary scientific organization that explores the nature of life throughout the universe, announced that starting today it will make large quantities of astronomical radio telescope data accessible to astronomers and other...

(Photo: TED / Asa Mathat) SETI Institute, an interdisciplinary scientific organization that explores the nature of life throughout the universe, announced that starting today it will make large quantities of astronomical radio telescope data accessible to astronomers and other...

Some 80 to 90 percent of undersea creatures make light -- and we know very little about how or why. Deep-sea biologist Edith Widder explores this glowing, sparkling, luminous world, sharing glorious images and surprising insight into the unseen depths...

Some 80 to 90 percent of undersea creatures make light -- and we know very little about how or why. Deep-sea biologist Edith Widder explores this glowing, sparkling, luminous world, sharing glorious images and surprising insight into the unseen depths...

"Who's stranded?" TED's June Cohen asks the audience of 100+ at TEDxVolcano yesterday. Photo: TED / Robert Leslie Watch the saved livestream of TEDxVolcano >> See photos of TEDxVolcano from Robert Leslie >> Roundups, livetweets and post-event musings: From...

"Who's stranded?" TED's June Cohen asks the audience of 100+ at TEDxVolcano yesterday. Photo: TED / Robert Leslie Watch the saved livestream of TEDxVolcano >> See photos of TEDxVolcano from Robert Leslie >> Roundups, livetweets and post-event musings: From...

Stranded by the ash cloud, inspired by the just-concluded Skoll World Forum, and temporarily headquartered in one of the world's greatest cities, a group of entrepreneurs, thinkers, tinkerers and creatives is throwing an unprecendented TEDx event: TEDxVolcano. Put together...

Stranded by the ash cloud, inspired by the just-concluded Skoll World Forum, and temporarily headquartered in one of the world's greatest cities, a group of entrepreneurs, thinkers, tinkerers and creatives is throwing an unprecendented TEDx event: TEDxVolcano. Put together...

A choir as big as the Internet 185 voices from 12 countries join a choir that spans the globe: "Lux Aurumque," composed and conducted by Eric Whitacre, merges hundreds of tracks individually recorded and posted to YouTube. It's an astonishing...

A choir as big as the Internet 185 voices from 12 countries join a choir that spans the globe: "Lux Aurumque," composed and conducted by Eric Whitacre, merges hundreds of tracks individually recorded and posted to YouTube. It's an astonishing...

In this special guest blog, Teo Härén, co-founder of TEDxStockholm, explains the concept behind TEDxStockholm week, which will begin tomorrow (April 17) and run until April 24. It is all there in the TED tagline, isn’t it? -- “Ideas...

In this special guest blog, Teo Härén, co-founder of TEDxStockholm, explains the concept behind TEDxStockholm week, which will begin tomorrow (April 17) and run until April 24. It is all there in the TED tagline, isn’t it? -- “Ideas...

We're thrilled to report that TED.com is nominated in five categories for the 2010 Webby Awards. Log in and vote for us! Best Copy / Writing: http://on.ted.com/8GGD Best Visual Design - Function: http://on.ted.com/8GGL Best Event: http://on.ted.com/8GGM Best Radio / Podcast:...

We're thrilled to report that TED.com is nominated in five categories for the 2010 Webby Awards. Log in and vote for us! Best Copy / Writing: http://on.ted.com/8GGD Best Visual Design - Function: http://on.ted.com/8GGL Best Event: http://on.ted.com/8GGM Best Radio / Podcast:...

Underwater filmmaker Mike deGruy has spent decades looking intimately at the ocean. A consummate storyteller, he takes the stage at Mission Blue to share his awe and excitement -- and his fears -- about the blue heart of our planet....

Underwater filmmaker Mike deGruy has spent decades looking intimately at the ocean. A consummate storyteller, he takes the stage at Mission Blue to share his awe and excitement -- and his fears -- about the blue heart of our planet....

In a short, funny, data-packed talk at TED U, Catherine Mohr walks through all the geeky decisions she made when building a green new house -- looking at real energy numbers, not hype. What choices matter most? Not the ones...

In a short, funny, data-packed talk at TED U, Catherine Mohr walks through all the geeky decisions she made when building a green new house -- looking at real energy numbers, not hype. What choices matter most? Not the ones...

Today marks the one-year anniversary of TEDx, our program to support independent TED-style events in local communities around the world. The very first TEDx event happened this time last year on the campus of the University of Southern California...

Today marks the one-year anniversary of TEDx, our program to support independent TED-style events in local communities around the world. The very first TEDx event happened this time last year on the campus of the University of Southern California...