Folding a piece of paper in half might be easy, but what about into thirds, fifths, or thirteenths? Here is a simple and exact way for fold any fraction, all thanks to the maths of triangles.
If you're in need of some love, look at our images of the week.
Why the humble average can be grossly misleading.
How to approximate the English language using maths.
To celebrate the release of more English translations of Einstein's papers, we revisit one of his previously unknown models of the Universe.