The following is an excerpt from Beyond Infinity: An Expedition to the Outer Limits of Mathematics, by Eugenia Cheng Mathematics can be thought of as many things: a language, a tool, a game. It might ...

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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, ...

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 ...