Alix Spiegel Alix Spiegel is Co-host of Invisibilia.
Daniel Horowitz for NPR

Can A Computer Change The Essence Of Who You Are?

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Think of human relationships as entanglements. How do they bind you; how do they reveal who you really are? Daniel Horowitz for NPR hide caption

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Daniel Horowitz for NPR

By Impersonating Her Mom, A Comedian Grows Closer To Her

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Daniel Horowitz for NPR

By Making A Game Out Of Rejection, A Man Conquers Fear

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U.S. soldiers at Long Binh base in South Vietnam line up to give urine samples at a heroin detection center before departing for the United States. About 20 percent of soldiers said they were addicts, but most didn't continue drug use back home. AP hide caption

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AP

What Heroin Addiction Tells Us About Changing Bad Habits

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Katherine Streeter for NPR

Our Use Of Little Words Can, Uh, Reveal Hidden Interests

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Stanford University

The Secret History Behind The Science Of Stress

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Maria Fabrizio for NPR

How A Woman's Plan To Kill Herself Helped Her Family Grieve

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Bianca Giaever for NPR

Mind Over Milkshake: How Your Thoughts Fool Your Stomach

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Rick Blaine, the sentimental tough guy in Casablanca, pined for "As Time Goes By." The Kobal Collection hide caption

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The Kobal Collection

Play It Again And Again, Sam

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A group of 3,000 ordinary citizens, armed with nothing more than an Internet connection, is often making better forecasts of global events than CIA analysts. Here, a man crosses the CIA logo at its headquarters in Langley, Va. Saul Loeb/AFP/Getty Images hide caption

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Saul Loeb/AFP/Getty Images

So You Think You're Smarter Than A CIA Agent

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What makes the Mona Lisa — or any piece of art — successful? Sergio Velayosf/Flickr hide caption

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Sergio Velayosf/Flickr

Good Art Is Popular Because It's Good. Right?

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Alarm Clock Sets Off A Real Wake-Up Call

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Having a perfect memory can put a strain on relationships, because every slight is remembered. Katherine Streeter for NPR hide caption

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Katherine Streeter for NPR

When Memories Never Fade, The Past Can Poison The Present

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