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TIL President Ronald Reagan revealed he wore hearing aids in 1983, leading to greater acceptance and increased sales of the devices among seniors. At age 72, he said that his hearing loss dated to his early Hollywood days when a .38-caliber blank was fired close to his right ear on a film set

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9wbRQ TIL about John Myatt, a British artist convicted of art forgery, was initially honest about the nature of his paintings. However, John Drewe, a regular customer, convinced him to sell some of his works as genuine. Myatt used only emulsion paint and K-Y Jelly in his creations.
wLoao TIL: Mercury was required for felting fabrics, especially hats. Hatters in the 1800’s had chronic mercury toxicity that caused mental instability thus dubbing the term “mad hatters disease” or “mad as a hatter”- and was the primary plight that Louis Carroll developed the mad hatter character around.
ne8ko TIL that you shouldn’t brush your teeth after eating. Apparently you should wait 30 minutes, because otherwise you’ll just be brushing all the damaging acids into your teeth. It’s better not to brush your teeth at all than to brush your teeth right after eating.
b6pW0 TIL that there’s a phallological museum in Iceland with a collection of over 300 penises
PYxNV TIL Heart transplant recipients often report changes in temperament or aesthetic taste which parallel traits of their donor, going as far as pursuing the same hobbies as and adopting the donor's musical tastes.