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TIL yawning is not contagious for children with autism due to their inattention to facial cues.

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M7rYm TIL of King Vira Bahu I of Polonnaruwa (Sri Lanka) who was crowned the night of his father's death and was assassinated the very next morning, reigning for less than a day
m11Wp TIL of Society for the Prevention of Calling Sleeping Car Porters "George". Membership was open to anyone whose first or last name was George.
KOKr9 TIL Late in his life, Charles Lindbergh had affairs that produced three children by a German woman and two children by her sister. These children only found out who their father was using DNA testing after his death.
xY0 TIL that some jumping spiders possess object permanence, or the knowledge that something you can’t see is still there, which humans don’t develop until 8-12 months old
YKAx TIL of the corn field bomber. A fighter jet that landed itself on a cornfield after the pilot ejected from it following an unrecoverable spin. His act of ejection changed the center of gravity of the plane allowing it recover. It went back into service after minor repair work.