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Maths Week: Your Saturday puzzle

The 20th annual Maths Week Ireland starts today and runs until Sunday 19 October. For dedicated readers of The Journal, this ...
The Daily Galaxy on MSN

Two American Teenage Girls May Have Cracked a 2,000-Year-Old Math Puzzle With a Stunning New Pythagoras Proof

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