What Is Bitcoin?
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Why the long bridge? Stuart Ramson/AP hide caption

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A Big Bridge In The Wrong Place
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Legislation Aimed At Killing Dollar Coin Program
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Spaceflight Is Getting Cheaper. But It's Still Not Cheap Enough.
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Jane Liaw Liaw orders coins from the U.S. Mint to earn frequent-flier miles. Jane Liaw hide caption

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How Frequent Fliers Exploit A Government Program To Get Free Trips
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Millions of dollars worth of $1 coins languish in a vault at the Federal Reserve Bank of Richmond's Baltimore branch. John W. Poole/NPR hide caption

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$1 Billion That Nobody Wants
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Jon Gnarr, photographed in 2010. Halldor Kolbeins/AFP/Getty Images hide caption

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The Comedian Who Ran For Mayor
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Spring comes to Iceland. Saturday, May 21, 2011. Jon Gustafsson/AP hide caption

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Why Iceland Isn't Just A Barren Rock
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Montagu Norman, c. 1930 Hulton Archive/Getty Images hide caption

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Why We Left The Gold Standard
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