"Timescape" finds words in the news associated with Sept. 11, and weights them according to prominence in a story — not just how often they appear. Gaurav Bradoo hide caption

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If you've noticed that kids seem to be better at figuring out these things, you're not alone. iStockphoto hide caption

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Katherine Streeter for NPR

The video game BioShock Infinite took players to an alternate U.S. and a story filled with philosophy and a rich narrative — but also a lot of violence. AP Photo/2K Games/Irrational Games hide caption

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Harley-Davidson riders reveal Project LiveWire, the first electric Harley-Davidson motorcycle, during a ride across New York City's Manhattan Bridge on June 23. Neilson Barnard/Getty Images hide caption

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