MathematicsThis string art game will boost your mathematical imagination Inspired by the work of Victorian mathematician Mary Everest Boole, try making a symmetric curve using string and some hole-punched card, says Peter Rowlett Regulars
SpaceAlready know the Big Dipper? There's more to this group of stars Most of us can spot the group of stars known as the Plough or the Big Dipper. But there’s more to explore here, says Abigail Beall Regulars