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TIL that JAXA (Japanese NASA) tests astronaut candidates by making them fold a thousand origami cranes. This helps determine how the person deals with boring, repetitive tasks and time constraints.

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6E8AW TIL how Native Americans could easily take down the mighty buffalo. The buffalo’s lungs share the same compartment (unlike humans who have two separate compartments). So when an arrow/spear pierces the Buffalo’s lung cavity (pleura), both lungs collapse, bringing the buffalo down swiftly.
worv7 TIL The Pacific Island nation of Tuvalu has only one hotel- the 16 room Vaiaku Langi Hotel near the airport on Funafuti
LQyRZ TIL H.H. Holmes, a 19th-century serial killer, built the "Murder Castle" in Chicago during the 1893 World's Columbian Exposition. The hotel had soundproof rooms and hidden passages, allowing Holmes to lure and brutally murder unsuspecting guests, primarily young women.
P1ZAn TIL Bob Marley's grandma was a White Jamaican Jew.
Zbd4 TIL that Alexander Von Humboldt has more things named after him than any other person who has ever lived.