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, ...

Zero is definitively an even number, mathematicians confirm. The formal definition states an even number is any whole number divisible by two with no remainder, a rule zero perfectly satisfies (0 = 2 ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...