In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is ...

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

It’s the theorem every mathematician believes in — yet no one can prove it. For decades, the brightest minds have tried and failed to explain why something so clearly true sits forever beyond reach.