For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because ...

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September 16, 2025, is the only date that fits the definition this century. Here’s the specific math to add it all up: 3 multiplied by itself is 9, 4 squared is 16, and 5 squared is 2025. On top of ...

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. But the particular string of numbers in today’s date may be especially ...

Meta, Mila-Quebec Artificial Intelligence Institute, the University of Montreal, and Princeton University have proposed a simple mechanism that opens up metacognition for large models, allowing them ...

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.

The president of the Palestinian Authority addressed the U.N. General Assembly by video after the U.S. denied him a visa. By Parin Behrooz In a remote address to the U.N. General Assembly yesterday, ...