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TIL the Aztec death whistle produces a horrifying sound sometimes described as “the scream of thousand corpses”

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7D5r TIL The element ‘Cobalt’ gets it’s name from the German 'kobold’ which means 'goblin’. Miners found cobalt veins near their silver, and blamed this strange and dangerous metal on goblins, and thus named it after them.
QlgM TIL that DNA has a 521-year half-life
694Qm TIL scientists discovered a “dinosaur disco”, more than 100 tracks made by giant, long-necked dinosaurs, brontosaurs and brachiosaurs on a small shore on the Isle of Skye
mxyAO TIL A tabby is any domestic cat with a distinctive 'M' shaped marking on its forehead. "Tabby" is not a breed of cat but a coat type seen in almost all genetic lines of domestic cats. Tabby originally referred to "striped silk taffeta" from the French word tabis, meaning "a rich watered silk."
B0Vk TIL Apple got the idea of a desktop interface from Xerox. Later, Steve Jobs accused Gates of stealing from Apple. Gates said, “Well Steve, I think it’s more like we both had this rich neighbor named Xerox and I broke into his house to steal the TV set and found out that you had already stolen it.”