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TIL that the English word ‘assassin’ comes from the Arabic 'hashashin,’ or “hashish-eater,” the name of an 11th century Muslim sect that would intoxicate themselves with hashish before killing a person of public standing

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97B6 TIL a man stole a Salvador Dali painting in full view of security cameras in broad daylight, mailed it back to the museum a week later, and was only caught because he had shoplifted a juice bottle a year prior, allowing police to match his fingerprints on the package to those on the bottle.
ADmrg TIL that the ‘sound’ produced by an ultrasound machine is made from applying an electrical current to piezoelectric crystals
4kmg5 TIL The 200+ yr old open-outcry system that the NYSE used was disrupted by an entrepreneur who created a digital exchange that is what ETFs trade on now, and has replaced the often corrupted system that existed for generations.
XENeX TIL There is enough stone in the Great Pyramid of Giza to build a 3 meter (9 foot) wall around France
4jno TIL that moisturizers don’t actually moisturize your skin, but merely prevent your skin from losing more hydration. There’s also a technical difference between creams, ointments, and lotions.