Dr. Allan Ropper speaks with residents and fellows as they do rounds at the neuroscience intensive care unit at Brigham and Women's Hospital in Boston. M. Scott Brauer for NPR hide caption

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M. Scott Brauer for NPR

A Doctor Unlocks Mysteries Of The Brain By Talking And Watching

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Rob Donnelly for NPR

The Biology Of Altruism: Good Deeds May Be Rooted In The Brain

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"A person can never be broken. Our built environment, our technologies, are broken and disabled" — Hugh Herr Ryan Lash/TED hide caption

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Ryan Lash/TED

How Do You Reinvent Yourself After a Near-Death Experience?

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"It's one of those moments in your life where you're so conscious about what you're about to do, and what you're about to do will change your life." --€” Geena Rocero James Duncan Davidson/TED hide caption

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James Duncan Davidson/TED

How Do You Reveal A Life-Changing Transformation?

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"In that instant I realized how much energy it takes to hold that hatred inside of you" — Zak Ebrahim James Duncan Davidson/TED hide caption

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James Duncan Davidson/TED

How Did The Son Of A Terrorist Choose Peace?

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James Cameron talks about how his fascination with the world around him has driven his film career. James Duncan Davidson/TED/Courtesy of TED hide caption

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James Duncan Davidson/TED/Courtesy of TED

How Far Can Curiosity Take You?

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Adam Savage talks on the TED stage about where curiosity has led him. James Duncan Davidson/TED/Courtesy of TED hide caption

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James Duncan Davidson/TED/Courtesy of TED

How Do Simple Questions Lead To Big Discoveries?

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Thomas Thwaites' finished toaster. Courtesy of Thomas Thwaites/Courtesy of TED hide caption

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Courtesy of Thomas Thwaites/Courtesy of TED

How Do You Build A Toaster ... From Scratch?

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Director James Cameron speaking about his childhood obsessions on the TED stage. Courtesy of TED hide caption

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Courtesy of TED

Why Did A Hollywood Film Director Journey To The Bottom Of The Ocean?

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Wendy Chung shares her discoveries about autism on the TED stage. James Duncan Davidson/TED/Courtesy of TED hide caption

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James Duncan Davidson/TED/Courtesy of TED

Could Genetics Hold The Answer To Curing Autism?

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Microbiologist Nathan Wolfe describes the potential of "biological dark matter." James Duncan Davidson/TED/Courtesy of TED hide caption

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James Duncan Davidson/TED/Courtesy of TED

Are Microbes The Next Frontier?

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