› added 9 years ago

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TIL That Leonardo da Vinci claimed to have dissected more than 30 people in his pursuit to further understand human anatomy, and his more than 240 detailed drawings and over 13,000 words of observations revealed many then unknown characteristics of our bodies. However, all this remain unpublished.

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yQDLa TIL in Italy, it's very common for dwarfs to undergo painful limb lengthening surgery (that involves repeatedly breaking bones and pulling them apart over the course of 2-3 years) due to societal pressure. 90% of Italian dwarfs undergo the procedure (in the rest of Europe, the rate is around 8%).
OGgPg TIL that "Blue Rain" reportedly fell in Australia after nuclear tests in the 1950's
KO494 TIL approximately 30 to 50% of East Asian are intolerant to alcohol due to a faulty version of the aldehyde dehydrogenase 2 (ALDH2) gene. It may cause flushing on a person's face and body and other symptoms including nausea, headache and general physical discomfort after drinking alcohol.
QJBAE TIL margins in books are literally meant for taking notes. The practice (in books) started in the renaissance when people who copied the bible would leave space at the edges of their pages to write notes.
5YP08 TIL of Hatty, a Labrador retriever who was sworn in as an IL County "Comfort Dog." Her paw was on a law book as an oath was read. Hatty's job is to comfort sexual trauma victims during testimony and interviews; the dog will work 9 - 5 on up to 200 cases per year. She was trained by prison inmates.