Air purifier

Air purifier

In WWI Canadian soldiers used urine-soaked clothes as primitive respirators against chemical attacks. The ammonia in urine would react with the chlorine, neutralizing it, and that the water would dissolve the chlorine, allowing the soldiers to breathe through the gas.

Previous Fact Next Fact
Categories: HumanbodyWar

Latest FactRepublic Video

32 Incredible Easter Eggs You Missed in Harry Potter Movies