When he is urinating, he is inhaling vapourised alcohol and there's always steam off it (Anorak)

Perhaps the most enthusiastic user of human guinea pigs was the ambitious young SS doctor Sigmund Rascher, who employed camp inmates at Dachau to test the human body’s reactions to rapid decompression and lack of oxygen, in an attempt to help pilots forced to parachute out of their planes at high altitudes.

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by Yahoo Parachute News