Southern Floods Inundate La. Fisheries

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Microbes Hitchhiking On Hailstones

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Chu Hopes Kids Will Encourage Families To Go Green

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Amy Womack and her daughter, Alexis Nelson, sit on the front steps of her parents' house in Cleveland, Tenn., in late April. Womack says her father urged her and 13 relatives and friends into the basement before a tornado hit; she credits him with saving their lives. Wade Payne/AP hide caption

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How To Survive A Tornado: Plan Ahead, Avoid Debris

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Debbie Surlin salvages items from her parent's home in Joplin, Mo. The tornado that struck Joplin on Sunday killed at least 125 people. Charlie Riedel/AP hide caption

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Actor Jessica Alba, accompanied by Sen. Frank Lautenberg (D-NJ), reacts when a buzzer calling for a vote goes off during a news conference on Capitol Hill Tuesday about chemical regulation. Evan Vucci/AP hide caption

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Nature's Secret: Why Honey Bees Are Better Politicians Than Humans

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Residents of Joplin, Mo. salvage items from their home on Monday, a day after a devastating tornado struck the town. University of Oklahoma meteorologist Howie Bluestein says this could be be the last major tornado of the season, or "it could continue to be crazy." Charlie Riedel/AP hide caption

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Charlie Riedel/AP

Scientists At A Loss To Predict Bad Tornado Seasons

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A cross stood atop a church that was severely damaged by a tornado Sunday in Joplin, Mo., as a severe storm passed overhead earlier today (May 23, 2011). Charlie Riedel/AP hide caption

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Mary Louise Kelly speaks with Jon Hamilton

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The National Guard constructed a 2-mile temporary levee around the ALON USA refinery in Krotz Springs, La., and a neighborhood on the south side of town. Jeff Brady/NPR hide caption

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Louisiana Refinery, Residents Gird Against Flood

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Geologists drop an acoustic transponder into the Pacific Ocean to measure movements on the seafloor. Courtesy of Japan Coast Guard hide caption

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Courtesy of Japan Coast Guard

Giant Quake Reveals Japan's Other Unstable Faults

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