When Grandpa Was A Boy, Were There Any Dinosaurs?

Snuffing Out Life

1910: The astronomer and writer Camille Flammarion caused consternation with his warning that cyanogen in the tail of Halley’s comet could “impregnate the atmosphere and possibly snuff out all life on the planet”. The approach of the comet led to brisk sales of “comet pills” as an antidote to the highly toxic gas.

Source: Robert E. Bartholomew and Hilary Evans, Panic Attacks: Media Manipulation and Mass Delusion (2004), pp. 19–37

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