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TIL insects such as water striders that walk on the surface of freshwater are uniquely susceptible to oil spill disasters because the oil disrupts the surface tension of the water, drowning them

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grmP4 Today I learned that a 50,000-Year-Old Needle was found in a Denisova Cave
1a00W TIL about the Young Pioneers, a mass youth organization of the Soviet Union for children of age 9–15 that existed between 1922 and 1991. In line with the Soviet doctrine of state atheism, "every Pioneer would set up an atheist's corner at home with anti-religious pictures, poems, and sayings"
yQQNe TIL That the first female crime boss in the US had a gang of kids to do her bidding
W7wd9 TIL that it is absolutely dangerous to swallow button batteries, because the battery reacts with bodily fluids and releases a strong alkaline substance which can burn through tissue.
X00nR TIL Apollo 16 astronaut Charlie Duke believes that Earth was created 6,000 years ago despite picking up the oldest moon rock known to man dated 4.46 billion years old.