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A replica of the pinky bone fragment found in a Siberian cave. Researchers used the bone bit to extract and sequence the genome of a girl who lived tens of thousands of years ago.
Max Planck Institute for Evolutionary Anthropology
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Max Planck Institute for Evolutionary Anthropology
People walk in the storm surge from Hurricane Isaac along Lake Pontchartrain in New Orleans. Isaac was later downgraded to a tropical storm as it continued to grind its way through the Gulf Coast, dropping torrential rain and generating dangerous storm surges.
Gerald Herbert/AP
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Ted and Gale Franklin live in Leroy Township, Pa., where people have been dealing with flammable gas puddles and tainted well water.
Becky Lettenberger/NPR
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