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 relation between mathematics and beauty is genuine, but elusive. There seems to be no prospect of inventing a Calculus of the Beautiful (not that this has dissuaded some brave and foolhardy souls ...

Osaka, Japan – Crystals are known far and wide for their beauty and elegance. But even though they may appear perfect on the outside, their microstructure can be quite complicated, making them ...