How Russian nerve agent Novichok can be detected after poisoning

On September 2, German Chancellor Angela Merkel revealed that Alexei Navalny, a Russian opposition politician and former journalist, had been poisoned with Novichok, a nerve agent—one of the infamous exotic Soviet-era chemical weapons, says Science Magazine in an article. Alexei Navalny’s supporters have accused Russian agents of slipping poison into the tea that he consumed. Chancellor Merkel, did not reveal the tests that were conducted in a military lab, but scientists familiar with the nerve agent, however, they have...