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TIL that a pregnant womans body contains more than twice the number of bones found in a normal healthy adult, because an unborn fetus has bones that haven't grown together yet.

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R7A94 TIL at one point, Best Western tried expanding east of the Mississippi river using the name "Best Eastern".
E1k7x TIL in a space of 58 days between December 15, 1951 and February 11, 1952 there were three airplane crashes in Elizabethtown, NJ.
XER6Q TIL there is a group of human mutant who are virtually resistant to HIV infection. They have a mutation called CCR5-Δ32 which make their T-Cells impervious to HIV
1aNLD TIL a sanitary inventor named Thomas Crapper improved the U-bend pipe, and patented the floating ballcock to prevent indoor toilets from exploding.
1ane8 TIL that "Inemuri", in Japan the practice of napping in public, may occur in work, meetings or classes. Sleeping at work is considered a sign of dedication to the job, such that one has stayed up late doing work or worked to the point of complete exhaustion, and may therefore be excusable.