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TIL The number 1 not a prime number
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cuemath.com
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YB6d
TIL that Jurassic Bark (Futurama) was originally about Fry’s mom, but the idea was scrapped for being too upsetting to the audience.
GYwO1
TIL we say “pair” of pants because pants were originally made from two pieces. You would put in one leg and tie the piece around your waist, and then put on the other piece.
E1lPw
TIL “Military Grade” is just a marketing ploy. In the actual military, “military grade” means “meeting the bare-minimum requirements of durability, while also costing the least.”
nW7yY
TIL that many opal stones are actually made up of fossilized marine microbes, including diatoms and radiolarians.
8egNV
TIL: Surgeons in ancient India, around 600 BCE, performed cataract surgeries using a curved needle to remove the cloudy lens. The procedure was described by the physician Sushruta in his medical texts, making it one of the earliest known surgical practices in human history.