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TIL that the human fingertip can feel the difference between a smooth surface and one with a pattern embedded just 13 nm deep

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VMLrD TIL Richard Nixon's administration had a master list of all of the president's main opponents among both people and organizations. Hunter S. Thompson felt disappointed not to have been on it.
oRyrL TIL that A man named Göran Kropp from Sweden rode his bicycle to Nepal, climbed Mount Everest alone without Sherpas or bottled oxygen, then cycled back to Sweden again.
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