A 150-year-old rule in geometry has been proven wrong. Mathematicians found two different doughnut-shaped surfaces that look ...

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most ...

Simon Singh's exploration of mathematical proof – in particular Pierre de Fermat's last theorem – remains an absolute ...

A dispute over how to divvy up the pot in an interrupted game of chance led early mathematicians to invent modern risk ...

Modal verbs are verbs that indicate likelihood, ability, permission or obligation. Modal verbs change the intention or meaning of the main verb in a sentence by showing whether an action is: Learn ...