More from Chalkdust
How to be more Pythagoras
Max Hughes investigates how channelling your inner Pythagorean may help you to become the next big lifestyle influencerMolly and the Mathematical Mystery
We review the fourth of this year's nominees for the Book of the YearTop Ten: pictures of scorpions
The definitive chart of the best pictures of scorpionsThe simplest difficult task
Factorisation is often used in cryptography. But there's something even simpler which turns out to be just as hard.Hairy balls, cyclones and computer graphics
What can a 100-year-old result in topology say about weather and computers?How many cups does it take to make a sphere?
The Chalkdust team set you a challenge, for which the prize is a £25 Amazon voucher...