Nerve Agent Found In U.K. Is Rare And Definitely Russian
Novichok-class agents were developed in top-secret Russian labs at the end of the Cold War. Experts say only Russia is known to have made them. "They've been a deep, dark secret," says one expert.
Read more on NPR
Làm đẹp Blog 247 March 13, 2018 at 04:18AM
Category Health & Science
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