More from Chalkdust
Prize crossnumber, Issue 20
Can you solve it?
Chalkdust Book of the Year 2023
We announce the shortlist of our favourite maths-themed books of last year
On the cover: Islamic geometry
Explaining the mathematics of tiling, and the cover of Issue 10
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Bells, braids and taxicabs
An adventure that starts with a morning of bell ringing and ends with a mad dash in a taxi
Forget a new £1 coin, we need a £1.23 coin
Not the new coin we want, but the new coin we need