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TIL 8-10 year old boys were sometimes castrated to preserve the high prepubescent vocal range. (This practice stopped in the late 1700s)

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QJPWp TIL that Goliath from the biblical story "David and Goliath" was four cubits and a span tall, or roughly 6'9".
OG8YR TIL That the creator of Conan, Robert E Howard, killed himself at age 30, only writing Conan stories for 4 years of his life
x5Ew TIL in the United States, more Frisbee discs are sold each year than baseballs, basketballs, and footballs combined.
yQrVa TIL Apollo 11 astronauts were Quarantined for 3 weeks after they landed on the Moon because of fears of spreading a “Moon Plague”
4JNR TIL that Cambridge University conducted a test in which pigs were shown a mirror and encouraged to retrieve objects reflected in the mirror. The test results suggest that pigs can differentiate between reality and the reflected image, thus demonstrating a high level of cognitive awareness.