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TIL for-profit prisons are one of top groups lobbying against legalizing marijuana

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ax4y TIL in 1974 Jane Goodall observed a social rift in a community of chimpanzees turn into a violent 4 year civil war for territory involving kidnapping, rape & murder, changing her perception of chimpanzees, it is known as the “Gombe Chimpanzee War”.
PYbyV TIL In traditional societies that have no access to processed sugars and white flour, many indigenous people have no cavities, and flash smiles with perfect pearly white teeth, even though tooth brushing is rare. The next generation of natives who eat processed food began to develop crooked teeth
neJnW TIL- The 8th U.S President Martin Van Buren never once mentioned his wife in his 800 page autobiography.
gXaX TIL In 1935 German engineers created a streamlined motorcycle with the engine in the front wheel. There was likely only one made and it’s current location is unknown.
X0meP TIL of the Janka Hardness Test which is the measurement of force required to embed an 11.28-millimeter-diameter (7⁄16 in) steel ball halfway into a sample of wood. This is the standard test used to determine the hardness of all woods.