Roundup: The Hidden Factors of a Lethal Poison
A poison, by most people's definition, is anything that will kill you within, say, a few hours. I grew up watching John Wayne and Clint Eastwood westerns where a well-placed rattlesnake would terrify. Or maybe a tarantula, the bite of which would kill you instantly. Or arsenic. These days the murder movies always seem to include anthrax, or ricin or sarin, or crime fiction's favorite, cyanide. All those poi ...
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