Not just fun and games.
Playing games is fun — and it's obvious that being good at maths can help you in many difficult games, such as chess. But mathematicians like games for another reason too. They are interested in games because they can help us understand why we humans (and other animals) behave as we do. A whole area of mathematics, called game theory, has been developed to cast some light on our behaviour, especially the way we make decisions. To find out more, and to see how game theory can help understand a nuclear arms race, read this article.
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