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TIL N95 rating is for the medium particle range

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l75gV TIL that of the 165 bombs dropped by the Allies on Pompeii in 1943, at least 10 are left to be found in the areas of the site that haven't been excavated yet
OG8LY TIL The last person to be convicted of Treason in the US was Tomoya Kawakita in 1952 because of his role in WW2, but was released by President Kennedy to be deported back to Japan.
b9X09 TIL The New Hampshire Astronomical Society donated over a dozen telescopes to local public libraries around the state so they can be put into circulation just like a book. Their 4.5-inch telescopes shows the Moon and deep sky objects in far more detail than common "beginners" telescopes
PYDKV TIL rock paper scissors is a game that goes back 2000 years to ancient Han China. The game spread throughout Asia with various characters, often animals, replacing the desk supplies we know today. In a version, a village chief is beaten by a fox, who is beaten by a hunter, who is beaten by the chief
G5m1 TIL In the U.S, a 2007–2008 survey showed that dog-owning households outnumbered those owning cats, but that the total number of pet cats was higher than that of dogs. The same was true for 2009–2010.