We're keeping a watchful eye on the Christmas pounds behind door number 9...
How do I love infinity? Let me count the ways....
Seven is a lucky number. No, seriously, it is!
What's your chance of winning the lottery?
Triangles do it, squares do it, even hexagons do it — but pentagons don't. They just won't fit together to tile your bathroom wall.
This year's PISA results have caused predictable headlines, but do the statistics add up?
How to colour a map
Make a fractal in infinitely many simple steps!