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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Tony Robbins: Why We Do What We Do, and How We Can Do It Better
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Why do people succeed? Is it because they're smart, or are they just lucky? Analyst Richard St. John condenses years of interviews into an unmissable 3-minute presentation on the real secrets of success.