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TIL strength training increases bone density

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l7Kk7 TIL that the song You Don't Mess Around With Jim is actually about Jim losing a fight
R78k1 Today I learned that the 1883 eruption of Krakatoa was so loud it ruptured eardrums of people 40 miles away, travelled around the world four times, and was clearly heard 3,000 miles away.
4WlJ TIL An alchemist, testing if urine can be turned to gold, discovered that urine instead yields phosphorus. Which was worth more at that time.
lD17 TIL the Great Pyramid of Giza was the tallest structure in the world until the year 1300. The building that replaced it collapsed, so from 1549 to 1884 the tallest structure in the world was not the tallest ever.
lo0Kr TIL that Ancient Greek sculptures have such small peckers because, at the time, they were consonant with male beauty. Having a large johnson, on the other hand, was normally associated with being a fool or a barbarian.