Daniel Kish speaks at TED in 2015. Bret Hartman/Courtesy of TED hide caption

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TED Radio Hour

Daniel Kish: How Can You See Without Seeing?

Daniel Kish has been blind since he was 13 months old, but has learned to "see" using a form of echolocation.

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Comedian Aziz Ansari says while online dating has its problems, "1 out of 3 people that get married now, they meet their spouse through online dating. So you could look at it like, oh, well, there's an insane amount of love that would not even be there had it not been for these things." Frederick M. Brown/Getty Images hide caption

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Having a safety net can make us less motivated to achieve our primary goals ... like, for example, preventing our boats from sinking. Hanna Barczyk for NPR hide caption

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Courtesy of the Metropolitan Museum of Art, New York

TED Radio Hour

Andrew Solomon: Why Is It So Hard To Talk About Depression?

Writer and psychologist Andrew Solomon describes how he hid from — and eventually confronted — his own serious depression.

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"I know for myself, I have a very colorful personality, rich ideas, and just a lot going on in my mind. But there's a gap between where that stands, and how I communicate it with the rest of the world." — Alix Generous Marla Aufmuth/TED hide caption

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"How is it that we spend more time taking care of our teeth than we do our minds?" — Guy Winch Courtesy of Julia Gliebova Photography hide caption

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Neuroscientist Takashi Kitamura works in the lab of Nobel laureate Susumu Tonegawa at the Massachusetts Institute of Technology. One of their recent projects helped identify a brain circuit involved in processing the "where" and "when" of memory. "Ocean cells" (red) and "island cells" (blue) play key roles. Takashi Kitamura/MIT hide caption

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Kroto displays a model of his discovery in 1996: a soccer ball-shape carbon molecule that spawned a new field of study and could act as a tiny cage to transport other chemicals. Michael Scates/AP hide caption

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The World Series of Poker main event in Las Vegas in 2014. When Annie competed in this event, just 3 percent of the entrants were women. AP hide caption

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Switchtracking, as defined by author Sheila Heen, is when "someone gives you feedback, and your reaction to that feedback changes the subject." Hanna Barczyk for NPR hide caption

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