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cacs.org
epjx4
TIL: Gerhard Schrader created Preparation 9/91, an insecticide, for his employers. However, it was too effective and killed users leading to his employers to say he failed. The, however, impressed the Third Reich and he was hired for $20,000 to develop it into Sarin gas as modern poisons took hours.
l7Zpr
TIL metal or blood by itself doesn't have a smell. The "metallic" smell of blood is instead derived from Fe2+ (iron) ions in metal/blood which react with fatty acids in sweat, forming 1-octen-3-one, which gives the characteristic "metallic" smell of metals and blood.
69Be7
TIL there is a growing market for pharmaceutical drugs made in space. The lack of gravity can improve the efficiency of certain chemical processes making space drugs commercially promising.