MathematicsThe sneaky maths trick for solving problems without answering them How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – but 100 years on, this trick is a common part of modern maths, says columnist Jacob Aron Comment
MathematicsThe foolproof way to win any lottery, according to maths How can you guarantee a huge payout from any lottery? Take a cue from combinatorics, and perhaps gather a few wealthy pals, says Jacob Aron News