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TIL that our eyes see everything upside down and we only see the reality because our brains reverse the picture that our eyes see

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MegVB TIL that doctors in the past used to taste the patient's urine to diagnose various diseases. If the urine tasted "wonderfully sweet as if it were imbued with honey or sugar" it was a sure sign of diabetes.
LkaWQ TIL of byssus fabric, or "sea silk" because it was made from the filaments of Mediterranean molluscs, gathered by the Egyptians, Greeks, and Romans, who wove them into clothes that "when treated with lemon juice, turn a golden colour, which never fades."
jNNon TIL in spite of the way they are portrayed in sci-fi films, asteroid belts are not densely populated and a passing spacecraft has virtually zero chance of striking one. In fact, considerable effort is required to ensure contact with an asteroid.
jbRj TIL orangutan means the person of the forests in Malay.
gMgB9 TIL Ford Is Planning To Install A Cellular Vehicle-To-Everything Technology In All Their New U.S. Models, Starting In 2022. It will make cars auto-pay for fast food and navigate through road hazards