Once a century, a very special day comes along. That day is today — 9/16/25. Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.
What do patterns, puzzles, and art have in common? Expand your horizons and see the connections. You’re using math and don’t even know it. Unlock the beauty of mathematics at WonderLab’s Pythagorean ...
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