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Mega Mirror To Power Massive New Telescope

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One upon a time, the largest glass telescope mirror was 100 inches in diameter. Today, scientists are casting a mirror 27 feet in diameter that will be part of one of the most powerful telescopes on Earth. NPR's Joe Palca speaks with weekends on All Things Considered host Guy Raz from the mirror laboratory, located under the football stadium at the University of Arizona.

'Not Without My Daughter' Subject Grows Up, Tells Her Own Story

"Not Without My Daughter" told the story of an American mother and daughter fleeing Iran. Now that young girl is telling her own story in her memoir, "My Name is Mahtob."

Internet Food Culture Gives Rise To New 'Eatymology'

Internet food culture has brought us new words for nearly every gastronomical condition. The author of "Eatymology," parodist Josh Friedland, discusses "brogurt" with NPR's Rachel Martin.

Proposed Climate Change Rules At Odds With U.S. Opponents

President Obama says the U.S. must lead the charge to reduce burning of fossil fuels. But American lawmakers are divided on limiting carbon emissions and opponents say they'll challenge any new rules.

Payoffs For Prediction: Could Markets Help Identify Terrorism Risk?

In a terror prediction market, people would bet real money on the likelihood of attacks. NPR's Scott Simon speaks with Stephen Carter about whether such a market could predict — and deter — attacks.

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