Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like — and how we might find it.
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Garik Israelian is a spectroscopist, studying the spectrum emitted by a star to figure out what it’s made of and how it might behave. It's a rare and accessible look at this discipline, which may be coming close to finding a planet friendly to life.
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Paul Moller talks about the future of personal air travel — the marriage of autos and flight that will give us true freedom to travel off-road. He shows two things he’s working on: the Moller Skycar (a jet + car) and a passenger-friendly hovering disc.
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In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe — How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
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Bill Stone, a maverick cave explorer who has plumbed Earth’s deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter’s moon Europa.
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Capt. Charles Moore of the Algalita Marine Research Foundation first discovered the Great Pacific Garbage Patch — an endless floating waste of plastic trash. Now he’s drawing attention to the growing, choking problem of plastic debris in our seas.
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The SETI Institute’s Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the universe.
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From the EG conference: Productivity guru Tim Ferriss' fun, encouraging anecdotes show how one simple question — "What’s the worst that could happen?" -- is all you need to learn to do anything.
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Extreme runner Ray Zahab shares an enthusiastic account of his record-breaking trek on foot to the South Pole — a 33-day sprint through the snow.
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Marine biologist Tierney Thys asks us to step into the water to visit the world of the Mola mola, or giant ocean sunfish. Basking, eating jellyfish and getting massages, this behemoth offers clues to life in the open sea.
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Planetary scientist Carolyn Porco shows images from the Cassini voyage to Saturn, focusing on its largest moon, Titan, and on frozen Enceladus, which seems to shoot jets of ice.
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Sometimes, you’ve got to hop a fence to see the prettiest sights. In 3 minutes, Rives takes his lyric outlook past chain and padlock to capture New York City from a forbidden vantage.
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