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TIL - US Air Force honours their fallen with a fly-by salute, called “The Missing Man” in which the formation flies very low and the leader’s wingman pulls up rapidly, which represents departure to heaven. This is an aerial equivalent of riderless horse.

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ANYdg TIL Hans Zimmer composed the Skylanders theme
QN9L9 TIL The Tower of Skulls stands as one of the planet's most bizarre monuments. Located in Serbia, it consists of over 900 human skulls. Constructed by the Ottoman Empire to intimidate Serbian rebels, it serves as a grim reminder of the empire's brutality.
GblQ TIL there’s a tribe in China that women are treated as superior to men, have as many sexual partners as they like free from judgement of the society
N7YkM TIL that you're not supposed to rinse with water straight after toothbrushing as it'll wash away the concentrated fluoride in the remaining toothpaste. This dilutes it and reduces its preventative effects.
0wG9M TIL a university math student arrived late to class one day and saw two "homework" problems written on the chalkboard. He solved them, not knowing they were actually two famous previously unsolved problems in mathematics. This true story helped form the basis of the movie 'Good Will Hunting.'