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TIL that when your hand gets wet, it wrinkles due to your body creating “treads” for better grip in the water, not because your hand is absorbing water.

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R5xA4 TIL the word "Scuba" is an acronym for 'Self-Contained Underwater Breathing Apparatus.
p8EEO TIL There are generally two definitions of "literally": one which is to take something in a literal sense or manner, the second which is to take things figuratively. It's been defined this way for hundreds of years.
R7jdw TIL coins like pennies actually have no odor. Metals such as iron & copper catalyze a chemical reaction in skin oils which produces the source of the "metal smell", a compound called 1-octen-3-one, and every person's smell is slightly different.
kyve TIL All new FBI agents are required to visit the Holocaust Memorial Museum
1AZ8 TIL in 1990 a British Airways 747 landed in a deserted Kuwait airport on a stop-over as Iraq invaded. Its 385 passengers were captured, some of whom were subjected to mock executions and rape, and dispersed to military sites to be used as human shields. The last hostages were freed in December 1991.