World

VX: The Nerve Agent Used To Kill Kim Jong Nam Is Rare And Deadly

By Geoff Brumfiel
Published February 24, 2017 at 12:33 PM PST
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Geoff Brumfiel
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.
See stories by Geoff Brumfiel