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TIL I learned that kale was commonly used as decoration at salad bars and meat counters but now is considered a “superfood”.

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Bn5K TIL that in 2013, India’s army watched “Chinese spy drones” violating its air space for six months. They later found out they were actually watching Jupiter and Venus.
Lk8yQ TIL Pigs will eat every part of the human body (including bones) and, if left alone with it for long enough, will fully consume the body.
5YxmQ TIL about Manganese Nodules. Found at the bottom of the ocean these rock concentrations contain all the components needed for electric car batteries. Its estimated to there are enough nodules to create over 200 million batteries in one patch alone. Their worth is estimated up to 16 trillion dollars.
16bM7 TIL a medieval chess piece orginally bought for £5 in 1964, then kept in a drawer for decades, sold for £735K in 2019. It was discovered the warder (equivalent to a rook) is one of the five major pieces (1 knight, 4 warders) missing from the 1831 Lewis chessman hoard of four 12th century chess sets.
j6GdQ TIL in the 1960s, NASA developed the Maximum Absorbency Garment (MAG) for astronauts, incorporating superabsorbent polymers to help manage bodily fluids and solids during space missions. The technology inspired the highly absorbent materials used in modern disposable diapers.