There was nothing more terrifying in the trenches than the call of a gas attack — “GAS! GAS!” This warning cry sent men scrambling for their masks as the poisonous fog enveloped them. Soldiers ...

Editor’s Note, May 11, 2022: This article previously suggested that John Haldane was the first person to invent a gas mask. In fact, Garrett Morgan, a Black inventor based in Ohio, filed a patent for ...

Here’s What You Need To Remember: Horses often chewed through the canvas bags after mistaking them for feed. They were still vulnerable to skin blistering during mustard gas attacks and irritation ...