President Trump said Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. But what would that involve?
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Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include science and space, while his reporting focuses on the intersection of science and national security.
A Martínez is one of the hosts of Morning Edition and Up First. He came to NPR in 2021 and is based out of NPR West.