Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Did you know that every time you look at a skyscraper, a bridge, or even the screen in your hand, you are seeing the power of shapes and measurements in action? This is the world of geometry. At its ...

Geometry Dash creator WorldGame is facing accusations that his blindfolded runs were faked after a YouTube exposé highlighted ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...