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[Sci-Am] Why Are Police Using a World War I–Era Chemical Weapon on Civilians? - Scientific American - 2021-04-24
Why Are Police Using a World War I–Era Chemical Weapon on Civilians?
Most people think tear gas is relatively harmless, but we know very little about its long-term effects on human health and the environment
-- Read more on ScientificAmerican.com
https://www.scientificamerican.com/article/why-are-police-using-a-world-war-i-era-chemical-weapon-on-civilians/