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TIL That the film 50 First Dates is based on a true story

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via reddit.com

XEZrD TIL of George R. Price, a population geneticist known for developing the most widely accepted mathematical interpretation of altruism. After realizing his equation implied that altruistic behavior serves an innate selfish purpose, Price became increasingly depressed and eventually committed suicide.
OokVX TIL: Henry Dreyfuss designed some of the most iconic devices found in American homes and offices throughout the twentieth century, including the Western Electric Model 500 telephone, the Westclox Big Ben alarm clock, and the Honeywell round thermostat. Plus, the streamlined locomotive.
daGj TIL that the Pacific island of Yap used to use a currency of giant stones. Since they were often too big to move, they were often left in the center of town, ownership was simply transferred by oral agreement.
gMZNL TIL that many popular sites in New York City, like Washington Square Park, Madison Square Park, Bryant Park, and Union Square Park, used to be cemeteries. Washington Square Park alone contains over 20,000 bodies. Most of these cemeteries closed in the 1800’s, and the parks were built right on top.
xVdQb TIL of the ‘Window Tax’, where people were taxed based on the number of windows they had on their houses. This was used in the 18th century as a simple method to calculate tax obligations. However, many people bricked up their windows, leading to health problems.