› added 1 year ago

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TIL that some dinosaur fossils are radioactive due to being fossilized with uranium—the fossilization process tends to concentrate radioactive elements

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gjL8 TIL despite the 1986 Chernobyl disaster, Ukraine still gets 47% of its electricity from nuclear energy, compared to United States’ 19%.
d8y07 TIL Sperm whales are the loudest animals on earth. At 236 decibels, their click sounds can literally vibrate a human body to death. But when research divers approach them, the whales welcome them into their pod; while modulating their clicks so the divers aren't hurt.
lxWB TIL that the phrase “under God” wasn’t part of the Pledge of Allegiance until 1954, and that its adoption was largely due to pressure from the Knights of Colombus
8exka TIL the opposite of jealousy is compersion
gMlA9 TIL an 18th century American businessman published a book in which he ranted about politicians, the clergy, and his wife. It had no punctuation and had random capitalization. In the 2nd edition, he added an extra page with 13 lines of punctuation marks, stating that readers could put them anywhere.