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TIL Lydia O'Leary, a woman who was insecure due to a large birthmark on her face, created a product to hide it that was inspired by her experiments with oil paint. She was granted a patent for her concealer in 1932. It's the only foundation with a USPTO patent.

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ANYRw TIL there is a movement to recover and preserve “heritage apples,” those forgotten once commercial growers settled on a few varieties to mass grow. Over a thousand have been found so far.
a8OEL TIL that in 1997 Pope John Paul II had named St. Isidore of Seville as the patron saint of the Internet, as the seventh-century theologian and encyclopedist who wrote the sole encyclopedia for nearly a millenium around 650 AD.
98M TIL Yale researchers have stated that ketamine - a “party drug” often found at raves - is a “magic drug” for treating severe depression. Unlike other antidepressants, its effects take hold within hours rather than weeks.
75ZX TIL that Prince Andrew, Duke of York served as a Royal Navy helicopter pilot for two decades. The UK government wanted to prevent him from serving in combat during the 1982 Falklands War, but his mother Queen Elizabeth insisted that Andrew fight. The Duke served in anti-missile decoy, ASW, and SAR.
LkG4P TIL that the name Big Ben properly refers only to the bell inside the clock tower, and not the tower itself nor the clock.