The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

If you’ve ever flown across the world, you’ll know one thing for sure: it’s a very, very long way. It’s not the biggest planet in our solar system by a long way, but in terms of the perspective of a ...

Introduction If you wanted to measure the circumference of Earth, how long would your tape measure have to be? Would you need to walk the whole way around the world to find the answer? Do you think ...