Massive "Phoenix Cluster" Supersizes Star Creation

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Actress Danica McKellar Helps "Girls Get Curves"

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Arbiter Of 'Interestingness' Navigates The 'Net

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Solar Toilet Disinfects Waste, Makes Hydrogen Fuel

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Robert Krulwich delivers the commencement address at College of the Atlantic in Bar Harbor, Maine, on June 2. Jason P. Smith/College of the Atlantic hide caption

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SciFri Book Club Talks 'Monkey Mind'

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Megan Lutz, left, and Justin Chun react to amateur comedian Robert Lynch at the Metropolitan Room in Manhattan, N.Y. Lynch is an anthropologist researching what laughing reveals about us. Melanie Burford for NPR hide caption

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An Anthropologist Walks Into A Bar And Asks, 'Why Is This Joke Funny?'

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Making Movies That Zoom Into Foreign Worlds

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