› added 7 years ago

475

TIL An estimated two-thirds of all US $100 bills are held outside the US

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nWLrr TIL there are over 50 million slaves in the world 1 in 150 people. More slaves now than at any point in history
gWOX TIL in all Japanese schools they run an emergency drill where a police officer dressed as an assailant freely runs around campus and tries to attack students with a realistic-looking plastic knife, while the teachers coordinate a defense to subdue him.
J1WyB TIL the stapedius is the smallest skeletal muscle in the human body, measuring about 6 mm. It stabilizes the stapes; the tiniest bone. In cases of otosclerosis, the stapes can be replaced with a titanium prosthesis under general anesthesia to restore hearing.
78lPO Today I learned that the Cool S symbol is trademarked in the United States, but owner trademarked it to preserve it.
l7gY5 TIL that the Colosseum in Rome once had 80 entrances - 4 of which were reserved for the emperors, senators, and people of high order. The other 76 were general entrances for spectators. Today, the Colosseum has only 3 entrances.