Workers in protective suits hold dummy munition during a demonstration at a chemical weapons disposal facility in Muenster, Germany, on Wednesday. Philipp Guelland/AFP/Getty Images hide caption

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Kids might be more satisfied if they get one good treat instead of one good treat and one lesser treat. iStockphoto.com hide caption

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The Rockaway section of Queens, in New York City, was hit hard by Superstorm Sandy. Many people in the neighborhood, shown here on October 30, 2012, lost power. Spencer Platt/Getty Images hide caption

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The amount of water to make the bottle could be up to six or seven times what's inside the bottle, according to the Water Footprint Network. Steven Depolo/Flickr hide caption

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Budget cutbacks threaten a planned upgrade of the massive Titan supercomputer, seen here, at Oak Ridge National Laboratory. Charles Brooks/Oak Ridge National Laboratory hide caption

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Illustration by Daniel Horowitz for NPR

Cars lie smashed by the collapsed Interstate 5 connector a few hours after the Northridge earthquake on Jan. 17, 1994, in California. AFP/Getty Images hide caption

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The Long Beach High School marching band prepares to march down the Long Beach boardwalk during a ribbon-cutting ceremony Friday. Andrew Burton/Getty Images hide caption

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