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TIL: The US Navy has no illusions about global warming. It has been developing plans for naval operations in an “Ice-Free Arctic” since 2001.

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VM0yG TIL, The unsinkable HMS Titanic was on fire before it left port. The iceberg it struck whilst at sea was only part of the reason it sank, as the fire had already weakened the ships structural integrity.
GaeJ TIL: South Africa has no legally defined capital city. Power is shared between Cape Town (Parliament), Bloemfontein (Administrative), Pretoria (President & Cabinet) and Johannesburg (Constitutional Court).
E1mZV TIL octopuses have 2/3 of their neurons in their tentacles; the mother dies almost immediately after the eggs are hatched, due to exhaustion; their blood is copper based which makes it blue; they can change the color of their skin, & also texture; they can watch and learn; evolved from snails.
grWBD TIL that "The Art of Mathematics" is the best-selling book series in South Korea
AjjB TIL Bobbi Gibb is the first woman to have run the entire Boston Marathon in 1966. At the time when women were banned from entering because of their gender,she entered the marathon wearing her brother’s Bermuda shorts and a hooded sweatshirt and finished the race unofficially.