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TIL your whole body aches when you have the flu because your immune system dilates all of your blood vessels and makes your muscles constantly contract

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7Zdr TIL that since 2010 Google has been acquiring, on average, more than 1 company a week.
OGnQX TIL the Swiss Guard who guards the Pope must take a vow of celibacy, pass Swiss Army basic training and several other things. They had had a heroic last stand where they were massacred defending Rome in 1527 and there are only 135 of them at one time.
6bEQ TIL at a Marine Mammal Studies Institute, dolphins were trained to turn in trash that fell into the pools in exchange for fish. One dolphin was smart enough to hide pieces of paper under a rock, tearing off smaller pieces from the paper in order to get more fish out of it.
bQAQ TIL an orangutan from a zoo was reintroduced to the wild in Borneo and began spear fishing after watching local fishermen.
BgNGe TIL about Project Possible, Nimsdai Purja climbed the 14 mountains that are above 8,000 meters in just Six months.They told Nims his project was simply impossible. So he called it Project Possible. While climbing Kanchenjunga he was partying the night before and was hungover during the climb.