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TIL that the term "OK" originated during the 1830s as a humorous abbreviation of "oll korrect," which was a misspelling of "all correct.

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D1eBY TIL that the International Space Station has been described as the most expensive single item ever constructed at $150 billion.
d8J1d TIL The Giant Squid demonstrates Deep Sea Gigantism, a phenomenon whereby deep dwelling species grow far larger than shallower water relatives to be more efficient in the depths where food is scarcer
kOYjE TIL early species of whales lived on land, had four legs and fur, and were the size of a raccoon or domestic cat. As they evolved, they were able to drink salt water and their nostrils gradually moved to the top of their head, forming the blow hole
xV9PD TIL In 1995 a man from australia committed suicide by shooting himself in the chest with a shotgun. He then shot himself in the head with a pistol. When both failed he used the shotgun and shot his throat and jaw. Finally he walked two hundred metres & shot himself in the heart
6EPdX TIL that snow traps atmospheric nitrogen, then releases it into the ground when it melts, acting as a "poor man's fertilizer"