U.S. to Limit Deadly Mining Dust as Black Lung Resurges

Federal regulators on Tuesday will issue new protections for miners against a type of dust long known to cause deadly lung ailments — changes recommended by government researchers a half-century ago. Mining companies will have to limit concentrations of airborne silica, a mineral commonly found in rock that can be lethal when ground up and…

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China’s Advancing Efforts to Influence the U.S. Election Raise Alarms

Covert Chinese accounts are masquerading online as American supporters of former President Donald J. Trump, promoting conspiracy theories, stoking domestic divisions and attacking President Biden ahead of the election in November, according to researchers and government officials. The accounts signal a potential tactical shift in how Beijing aims to influence American politics, with more of…

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