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117

Til that one out of every 5 mammal species is a bat.

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a87B0 TIL that for several years Republican and Democratic states had differing dates for Thanksgiving.
P1AXw TIL that sidereal time is different from solar time, so in a typical "year" (ignoring leap year complications) where sun rises 365 times, the Earth has actually done 366 rotations around its axis
W7JY8 TIL an average 12-ounce (354-ml) cup of decaf coffee still contains about 5.4 mg of caffeine
kOG4W TIL in the early 70s Chrysler would produce unordered cars and store them at the "sales bank". The company then coerced the dealers into buying these cars under threat of such actions as not processing warranty claims or misplacing custom orders.
lrL7 TIL: Scurvy does not occur in most animals as they can make their own vitamin C. Only humans, higher primates, guinea pigs, bats, and some birds and fish lack the necessary enzyme.