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TIL That red, irritated eyes after an swimming in a pool isn't just from the chlorine. The reason for eye redness and irritation actually comes from the combination of chlorine AND pee. This combination creates Trichloramine, which is toxic and explosive.

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Rk6l TIL adult cats do not produce lactase, the enzyme needed to digest lactose, so you should NOT feed an adult cat a saucer of milk.
NM61 Til that Catch 22 refers to the US army clause 22 which states that all persons with mental issues should be removed from active combat upon request. However requesting removal from active combat is a sign of mental stability as it is the self preservation function of the brain working
LQAQV Today I learned that Yondu Udonta might speak Silbo Gomero to his killing arrows
mx8bx TIL of Genie Wiley, a girl who was raised in a dark isolated room with no indication of an outside world for the first 13 years of her life, her father was incredibly abusive, and when authorities rescued her she couldn't speak at all and only made infantile noises.
D1nWV TIL plaid is not meant to describe a pattern, it was an article of clothing (blanket draped over shoulder), the pattern is named tartan.