Starting next week, every home in the United States will be able to order four more free at-home COVID-19 tests from the federal government. Since the start of the coronavirus pandemic, public health ...
Robert Seibert's letter contains an interesting account of an explosion that involved sodium azide (NaN 3) in the late 1940s (C&EN, Nov. 9, 2009, page 8). Following the dreadful accident, Seibert ...
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