More than 100 years ago, Golgi staining on nerve cells opened the gates to modern neuroscience. Scientists recently developed the Technicolor version of Golgi staining, Brainbow, allowing more detailed reconstructions of brain circuits. AFP/Getty Images hide caption

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A worker stands on top of a storage bin on July 27, 2011, at a drilling operation in Claysville, Pa. The dust is from powder mixed with water for hydraulic fracturing. Keith Srakocic/AP hide caption

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A new study from the Centers for Disease Control and Prevention finds no link between the number of vaccinations a young child receives and the risk of developing autism spectrum disorders. Jeff J. Mitchell/Getty Images hide caption

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

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Leslie Morgan Steiner shares her story of domestic abuse at TEDxRainier. TED hide caption

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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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TED Radio Hour

Jim Fallon: What Does The Mind Of A Killer Look Like?

Neuroscientist Jim Fallon uses brain scans and genetic analysis to uncover the wiring in the nature (and nurture) of murderers.

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