More from Chalkdust
Congruent Triangles
We review the seventh of this year’s nominees for the Book of the Year
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Too good to be Truchet
Colin Beveridge looks at different designs for 2- and 3-dimensional tiles
The mathematics of Maryam Mirzakhani
We take a proper look at her mathematical accomplishments
Advent facts I
Santa's sack of scientific surprises
How to make: a Dear Dirichlet Valentine’s Day card
Make the perfect gift for your loved one