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Watch AMNH's Giant Blue Whale Get Its Annual Cleaning

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The American Museum of Natural History in New York is home to a one-ton, 94-foot-long blue whale model that hangs above the Hall of Ocean Life. And just like any other knick-knack, it occasionally needs a good dusting. You can find out more about the challenges of cleaning the whale here.

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The Biggest Thing to Happen in the East Room of the White House
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The East Room of the White House has been the location of many important events, but nothing will ever be as big as this one.

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Advice from the CIA's 'Simple Sabotage Field Manual'
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During WWII, the CIA published The Simple Sabotage Field Manual, which provided a number of ways to quietly disrupt the system.

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