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Developing nations to study ways to dim sunshine, slow warming

Scientistsindevelopingnationsplantostepupresearchintodimmingsunshinetocurbclimatechange,hopingtojudgeifaman-madechemicalsunshadewouldbelessriskythanaharmfulrise

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Japan launches satellite for advanced GPS operation

JapanonSaturdaylaunchedanH-2Arocketcarryingageo-positioningsatelliteintoorbitafteraweek-longdelay,thegovernmentsaid.ThelaunchofJapan'sthirdgeo-positioningsatell

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