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Mathematics 353,641 rep 26 gold badges232 silver badges421 bronze badges
Physics 8,266 rep 1 gold badge18 silver badges21 bronze badges
Puzzling 6,739 rep 23 silver badges41 bronze badges
Bicycles 2,266 rep 10 silver badges17 bronze badges
Space Exploration 1,898 rep 8 silver badges14 bronze badges

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