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TIL The Inuit people of northern Greenland had many metal knives and tools despite having no mines or smelting: they used enormous iron meteorites for their metal which American explorer Robert E. Peary ultimately stole.

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WkXgo TIL that the English word for "alphabet" comes from the first two letters of the Greek alphabet, "alpha" and "beta". The biblical phrase, "alpha and omega", meaning "beginning and end", comes from the first and the last letters of the Greek alphabet, "alpha" and "omega".
loEw7 TIL Researchers have created a bio-inspired compound eye that is helping scientists understand how insects sense an object and its trajectory with such speed. The compound eye could also be useful for 3D location systems for robots, self-driving cars and unmanned aerial vehicles.
0Zdv TIL- Doctor ignaz discovered that by washing his hands between delivering babys cut the mortality rate of infection from 35% to less than 1%. His ideas were rejected by the medical community and upset other doctors so much they put him in a insane asylum. He was beaten to death 14 days later
WkQaN TIL the landlocked country of Mongolia has the smallest navy in the world. It is a single tugboat with a crew of seven, located in Lake Khovsgol which is surrounded entirely by Mongolian territory.
Oo6NR TIL that in 1937 the Hershey Company made a high calorie chocolate bar designed to taste "a little better than a baked potato" for the US Army so that soldiers would only eat it in case of real emergency