Fifty-eight different quarterbacks started an NFL game in 2025. Gunslingers, Game-Managers, and ‘Nines’ all made their way ...

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The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.

Dec 7, 2025 There are two ways to stick SU(2) × SU(3) in Spin(10). One is good for physics; the other, alas, is easily obtained using the octonions.