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TIL in 1999 Coca Cola invented a vending machine that could adjust its prices based on the temperature, allowing it to hike up the price of a Coke on a hot summer day. Customers denounced the idea, while even Pepsi accused Coke of exploitation

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oBEW TIL There there an opposite to color blindness that give you super color vision.
Yp1gr TIL there's a predator in Madagascar that looks like a feline, behaves like a feline, has vertical pupils, retractable claws, whiskers etc, but it's actually a mongoose. There are no felines in Madagascar, so mongooses evolved into feline-like animals to fulfill their role in the food chain.
R7xvl TIL Earths relationship with the Moon is bound unbelievably to the golden ratio. If Earths radius = 1 and the moon equals 0.272 that makes 1.272 (square root of phi). Draw a triangle with one line at a value of 1 and the second at a value of 1.272 and then hypotenuse (third line) is 1.618 or phi
PYOmV TIL A an American school board tried to ban a book called “Making it with Mademoiselle”, as they believed it was inappropriate. They hadn’t bothered to research it. They reversed their decision after the book turned out to be a how-to pattern book about dress-making.
alKZ TIL of Trial by ordeal which was an ancient judicial practice by which the guilt or innocence of the accused was determined by subjecting them to an unpleasant, usually dangerous experience. Classically, the test was one of life or death and the proof of innocence was survival.