Novichok is a 'dangerous and sophisticated' Soviet-era nerve agent — here's how it works and why it's so lethal

March 13, 2018
· *Chemical weapons called nerve agents were likely used in the attempted murder of Sergei Skripal, a former Russian spy, and his daughter Yulia.*
· *UK authorities identified the nerve agent as a Novichok, a class of chemicals that means "newcomer" in Russian.*
· *Novichok nerve agents were developed by the Soviet Union and...
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