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U.S. research: Agriculture a culprit in global warming

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Agriculture has contributed nearly as much to climate change as deforestation by intensifying global warming, according to U.S. research that has quantified the amount of carbon taken from the soil by farming. Some 133 billion tons of carbon have been removed from the top two meters of the earth’s soil ...

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U.S. study revives argument over mammogram screening

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Yearly mammograms starting at age 40 would prevent the most deaths from breast cancer, U.S. researchers reported in a challenge to more conservative recommendations that take into account both the harms and the benefits of screening. The study, led by Dr. Elizabeth Arleo, a radiologist specializing in mammography at Weill ...

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A Total Solar Eclipse Leaves a Nation in Awe

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A total eclipse that crossed the sky from Oregon to South Carolina brought out throngs of spectators, who exulted in seeing the midday sky go briefly dark.   The New York Times By HENRY FOUNTAIN 21 August, 2017   CHARLESTON, S.C. — The United States basked in the glory of ...

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