When Ed Scheinerman's 7-year-old granddaughter asked the question that every mathematician secretly loves—"What is the number before infinity?"—he knew he was onto something. "You're not going to like ...

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, ...

(via Be Smart) Infinity sounds simple. It just means really, really big, right? But something weird happens when you try to do infinite things in a finite amount of time. Let's explore paradoxes, ...