A Study Is Retracted, Renewing Concerns About the Weedkiller Roundup

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Problems with a 25-year-old landmark paper on the safety of Roundup’s active ingredient, glyphosate, have led to calls for the E.P.A. to reassess the widely used chemical.

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China’s BYD Surpasses Tesla as World Leader in Electric Car Sales

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Richard Pollak, 91, Dies; Edited Magazine That Criticized the Media