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TIL Nikola Tesla apparently never slept more than 2 hours per day. He slept 15 minutes ever 4 hours. His lack of sleep may have contributed to his hallucinations, fueling his creativity.

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woEnW TIL: By 2100, China’s population will only be within the 700 million range.
D1mpj TIL the letter A, the second most common letter in English, doesn't appear in the spelling of any of the first 999 numbers
8dLa TIL two Australians fooled officials into letting them play in an international golf tournament at North Korea’s only golf course. For five days they were treated as honored guests and taken on official visits around Pyongyang before being exposed as frauds due to their poor golfing skills.
EgdRx TIL About Leonardo Da Vinci's bridge : Designed in 15th century, It's a self-supporting bridge design that does not require any nails or fasteners to hold its structure . The bridge is made of a series of beams that crisscross each other like scissors, using the pressure to hold each other stable.
x8xB TIL a British intelligence agent was found dead in his apartment, having been stuffed-naked-inside a duffel bag that was padlocked from the outside. A police investigation ruled it an accident