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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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Bryan Stevenson: We Need to Talk About an Injustice

In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives.

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Brene Brown: The Power of Vulnerability

Brene Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk at TEDxHouston, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.

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The Psychology of Your Future Self - Video by Dan Gilbert

Dan Gilbert shares recent research on a phenomenon he calls the 'end of history illusion,' where we somehow imagine that the person we are right now is the person we'll be for the rest of time.

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Matthieu Ricard: The Habits of Happiness

What is happiness, and how can we all get some? In this video, Buddhist monk Matthieu Ricard discusses the habits of happiness.

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Ramona Pierson: An Unexpected Place of Healing

When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.

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