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TIL each standard issue M67 Hand grenade on average cost about $45 to manufacture in 2021.

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a8e80 TIL that several tufts of George Washington's hair are preserved at Mount Vernan inside various frames, paper, and jewelry. (He wore his natural hair long, and refrained from using a wig, which was fashionable at the time.)
8adoL TIL that Finland doesn't have any official national anthem. The one unofficial they have has lyrics in Swedish and the same music as the Estonian official national anthem.
awOyM TIL that the smallest instrument in the world is a Nano Guitar- a miniature guitar the size of a red blood cell. One model could only be played by its stings being targeted with miniature lasers in an atomic force microscope.
8akjZ TIL that Richard Dawkins coined the term 'meme' in his 1976 book 'The Selfish Gene' to describe the spread of ideas and cultural phenomena.
8LPX TIL Blackbeard was remarkably judicious in his use of force. In dozens of eyewitness accounts, there is not a single instance in which he killed anyone prior to his final, fatal battle with the Royal Navy. “I haven’t seen a single piece of evidence that Blackbeard ever used violence against anyone.”