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TIL Bones produce piezoelectricity when stress is applied and forms electrical dipoles that attract osteoblasts. Osteoblasts deposit calcium and other minerals on the part of the bone that is stressed which increases the density of the bone.

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VBOPk TIL: Last year in 2023, a 2 decade mystery was solved regarding the identity of an Iron Age warrior. Using the tooth enamel, the warrior was a woman, suggesting women played a larger role in warfare. Being buried with a sword and mirror suggests she may have lead raids as a commander.
OJOY TIL American soldiers would wrap suicide attackers from the Moro Muslim group in the Philippines in pig skin to make them unfit to go to heaven and deter potential future attacks by them
KOJ49 TIL: Plato's real name was Aristocles, and that 'Plato' was a nickname (roughly 'the broad') derived either from the width of his shoulders, the results of training for wrestling, or from the breadth of his style, or from the size of his forehead.
eVyJ TIL that humans get much better, much deeper sleep while sleeping in a hammock. Science has proven it.
dL5Z TIL The Paddington Bear stuffed toy was created by a business run by Shirley and Eddie Clarkson, Jeremy Clarkson’s parents. Jeremy and his sister were given prototypes as Christmas presents. Jeremy later became a salesman for his parents’ business, selling the stuffed toys.