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TIL There are more slaves in the world today than any other time in human history, more than 35 million in over 160 countries.

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m1YLy TIL Pocatello, Idaho used to have what the American Vexilogical Association called "the worst flag in America"
R79Zw TIL that a cell phone contains 10 times more bacteria than a toilet seat. Recent studies have found 17,000 bacterial gene copies on phones and also that Americans check their phones about 47 times per day.
woo07 TIL of US Colonel John Stopp who conducted a series of G-Force tests in the late 40’s and early 50’s. He holds the world record for most G’s pulled on land, after traveling 632mph (1017 km/h) on a sled track in New Mexico on Dec 10, 1954. Stopping in 1.4 seconds he experienced 46.2 Gs
nWGwB TIL while filming Metropolis (1927) they would often end up with more children in the evening than in the morning. Coming from the poorest areas of Berlin, the children would sneak onto set or climb over the fence to experience the warm rooms, games, toys, cocoa, cake, and regular meals
Vrp8 TIL people can learn to use echolocation so well that they can climb mountains and bike on streets blind