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, ...

A simple look at the Pythagoras cup and how its design makes it empty itself when filled too far. Coffee linked to significant new side effect, says massive study Winter storm warning: Up to 30 inches ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...