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TIL That Since 1950 Sedentary Jobs Have Increased By 83%

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4kXjw TIL about ring species, when a bunch of groups who live in a circle or ring can crossbreed with another group next to them, except for the two end points of the ring, whose species cannot cross breed due to being too distant.
ADbxo TIL of King Fahd's Fountain in Saudi Arabia, the tallest fountain in the world. Reaching a height of 312m, it is taller than the London Shard, the Eiffel Tower, and the Chrysler Building.
LQymZ TIL that the practice of having a Marine detachment on US Navy ships only ended in 1998.
57rn TIL that there is a sexually transmittable cancer among dogs in which the tumour cells are passed from dog to dog during copulation.
4XaxJ TIL there is a seemingly endless list of nicknames of poker hands. For example, a pair of nines is called a pair of Wayne Gretzkys.