The Environmental Protection Agency has stopped estimating the dollar value of lives saved in the cost-benefit analyses for new pollution rules. Los Angeles smog in 1979. For decades, government ...

The value of the U.S. dollar plunged Tuesday, after President Donald Trump said he was not concerned about the currency's recent drop. "I think it’s great," Trump said, speaking to reporters in Iowa, ...

Health care spending effectiveness is the ratio of an increase in spending per case of illness or injury to an increase in disability-adjusted life-years (DALYs) averted per case. We report US ...

Two federal officers fired their guns during Alex Pretti’s fatal shooting, according to an initial review by the Department of Homeland Security obtained by NBC News. Both agents were placed on ...

Two-dimensional materials are substances with a thickness of a few nanometres or less. Electrons in these materials are free to move in the two-dimensional plane, but their restricted motion in the ...

Use this calculator to see how your money's value changed over time — and how much it could change in the future. Many, or all, of the products featured on this page are from our advertising partners ...