'''Zyklon B''' is a [[cyanide]]-based toxic gas. A modern application of it this substance is as an [[insecticide]]. However, it is also lethal to humans in sufficient concentration. During [[World War II]], the [[German]] [[Nazi]] party used Zyklon B to kill more than one million people throughout the [[holocaust]].
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'''Zyklon B''' is a [[cyanide]]-based toxic gas. A modern application of it this substance is as an [[insecticide]]. However, it is also lethal to humans in sufficient concentration. During [[World War II]], the [[German]] [[Nazi]] party used Zyklon B to kill millions of people throughout the [[holocaust]].