A zoo in central China's Henan province swapped a dog — a Tibetan mastiff like the one shown here — for a lion, in another story that recently swept Chinese cyberspace. Ed Jones/AFP/Getty Images hide caption

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Jan. 18-24, 2001 The Onion hide caption

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A white heckler arrested during an anti-segregation demonstration in Lexington, Ky., is hustled into a police car in August 1963. Forty years later, the Lexington Herald-Leader ran a correction apologizing for the newspaper's lack of coverage of the civil rights movement. AP hide caption

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Boston bombings suspect Dzhokhar Tsarnaev on April 19 as he emerged from a boat stored in a Watertown, Mass., backyard. The red dot of a police sharpshooter's laser sight can be seen on his forehead. Mass. State Police Sgt. Sean Murphy/Boston Magazine hide caption

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