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

itoggle caption M. Scott Brauer for NPR
Rob Donnelly for NPR

"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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"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

itoggle caption James Duncan Davidson/TED

"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

itoggle caption James Duncan Davidson/TED

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

itoggle caption James Duncan Davidson/TED/Courtesy of TED

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

itoggle caption James Duncan Davidson/TED/Courtesy of TED

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

itoggle caption Courtesy of Thomas Thwaites/Courtesy of TED

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

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

itoggle caption James Duncan Davidson/TED/Courtesy of TED

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

itoggle caption James Duncan Davidson/TED/Courtesy of TED

TED Radio Hour

Nathan Wolfe: Are Microbes The Next Frontier?

Biologist Nathan Wolfe says the unseeable world of microbes is fertile ground for new discoveries.

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