More from Chalkdust
- We talk to the Fields medallist about his life, his work and his advice to his younger self.
- How big are these random shapes? Submit an answer for a chance to win a prize!
- As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
- Staring at your coffee, you wonder whether the light reflecting in cup really is a cardioid curve...
- A review of Timothy Revell's new book, describing the hidden mathematics behind our world
- Maths is a fickle world. Stay à la mode with our guide to the latest trends.