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Sean Carroll: Distant Time and the Hint of a Multiverse

At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.


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Seth Shostak: ET is (Probably) Out There -- Get Ready

Dr. Seth Shostak participates in the search for extraterrestrial life at the SETI Institute. He believes ET is out there, and there is a good chance we will discover him soon.

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Steve Jobs' 2005 Stanford Commencement Address

Drawing from some of the most pivotal points in his life, Steve Jobs, chief executive officer and co-founder of Apple Computer and of Pixar Animation Studios, urged graduates to pursue their dreams and see the opportunities in life's setbacks -- including death itself -- at the university's 114th Commencement on June 12, 2005.

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Julian Baggini - Is There A Real You?

One of the best known philosophers in the UK, Julian will ask the question 'Is There A Real You? He will draw on the research supporting his latest book 'The Ego Trick' and challenge our audience to reflect on their understanding of the 'Self'.

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Tony Robbins: Why We Do What We Do, and How We Can Do It Better

Tony Robbins discusses the "invisible forces" that make us do what we do -- and high-fives Al Gore in the front row.

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Ron Gutman: The Hidden Power of Smiling

Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being? Prepare to flex a few facial muscles as you learn more about this evolutionarily contagious behavior.

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