It's easy to think of some pretty nasty substances. Botulinum toxin, a poison produced by Clostridium botulinum bacteria, is the most toxic naturally occurring substance on Earth, blocking nerve signals to muscles to cause death by paralysis. Similarly, the potent nerve agent VX, developed as a chemical weapon by the British military, also asphyxiates its victims by paralyzing the respiratory muscles. Chlorine trifluoride, an ultracorrosive colorless gas, is so reactive that it spontaneously explodes on contact with seemingly innocuous materials like water, sand and even the ashes of substances which have already burnt.
There are so many diabolical possibilities, but which chemical is the most dangerous?
