Vampire bats are common in Central and South America, where they feed on livestock and sometimes people. Michael & Patricia Fogden/Corbis hide caption

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Michael & Patricia Fogden/Corbis

Dan Senor, senior national security aide to Mitt Romney, speaks to the press en route to Israel from London on Saturday. Jason Reed/Reuters /Landov hide caption

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Jason Reed/Reuters /Landov

Romney Adviser Defends Candidate's Statements About Palestinian Culture

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Jamel Herring of the U.S. departs the ring after his loss to Daniyar Yeleussinov in their boxing match at the London Olympics. Herring, an active-duty Marine, is the U.S. team captain. Jack Guez/AFP/Getty Images hide caption

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Wanda Kaczynski and her son David Kaczynski (right background) are escorted to their car by defense lawyers after Unabomber Theodore Kaczynski pleaded guilty Jan. 22, 1998, in Sacramento, Calif. John G. Mabanglo/AFP/Getty Images hide caption

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When Your Family Member Does The Unthinkable

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The LUX Dark Matter Detector is installed in the Davis Cavern of the Sanford Lab in South Dakota in March. The water tank measures 24 feet in diameter, is two stories high and will hold 71,600 gallons. Matt Kapust/AP hide caption

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At Old Mine, Hopes Of Striking Gold With Dark Matter

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The line stretched into the parking lot today at a Chick-fil-A restaurant in Wichita, Kan. Travis Heying / Wichita Eagle/MCT /Landov hide caption

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Travis Heying / Wichita Eagle/MCT /Landov

Russian protest leader Alexei Navalny speaks to the media as he arrives for questioning at the headquarters of the Russian Investigation committee in Moscow on Monday. Misha Japaridze/AP hide caption

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Misha Japaridze/AP

Russia Charges Leading Dissident With Embezzlement

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Yo Adrian! Swimmer Nathan Adrian (right) celebrates with Canada's Brent Hayden (left) after winning the men's 100m freestyle at the London 2012 Olympic Games. Gabriel Bouys/AFP/Getty Images hide caption

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