Policy

U.S. could go metric; vicious fish

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A simple traffic light symbol or a set of stars on the fronts of food products would advise consumers

Schools, colleges and universities that fail to impose mask mandates and other COVID protections put working parents in an excruciating position

Global warming is setting free carbon from life buried long ago in the Arctic’s frozen soils, but its impact on the climate crisis is unclear

The technology they receive is often obsolete or has never been used in wealthier nations

Founded to carry out the genocide of Indigenous people, they created conditions that killed thousands of children

Researchers cite studies that can’t be replicated weirdly often

Tasty radio; early fake leather

Letters to the editor from the April 2021 issue of Scientific American

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Ten Republican attorneys general have asked a federal court to keep a revamped social cost of carbon from taking effect