Steven Pinker says our perception of how violent we are as a species is skewed. Robert Leslie/TED hide caption

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Is The World A Less Violent Place?
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Leslie Morgan Steiner shares her story of domestic abuse at TEDxRainier. TED hide caption

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Why Don't Domestic Violence Victims Leave?
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Jim Fallon's work analyzing the brains of psychopaths lead to a surprising personal discovery. Michael Brands/TED / Michael Brands hide caption

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What Does The Mind Of A Killer Look Like?
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Philip Zimbardo explains his infamous Stanford Prison experiment at a TED conference. Andrew Heavens/Courtesy of TED hide caption

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Why Do Good People Do Bad Things?
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Kansas center Jeff Withey (left) and Kentucky guard Darius Miller battle under the boards during the second half of the NCAA championship on April 2, 2012. Mark Humphrey/AP hide caption

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Good Luck With That 'Perfect' March Madness Bracket. You'll Need It
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"Beauty is not just for the imagination. It's actually a way of altering human behavior for the better." — Bill Strickland TED hide caption

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Can Beauty Change A Life?
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Cameron Russell at TEDxMidAtlantic David Quinalty/TED hide caption

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Does Being Beautiful Make You Happy?
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Philosopher Denis Dutton suggests that humans are hard-wired to seek beauty. James Duncan Davidson/TED hide caption

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Are Some Things Universally Beautiful?
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Physicists Tie Water Into Knots
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