More from Chalkdust
Unlocking sudoku’s secrets
Sara Logsdon looks to graph theory and abstract algebra for help on the puzzle page
The problem with addition
It doesn’t add up for Patrick Creagh
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Eight things you didn’t notice in Issue 07
You'll never believe number 3!
Issue 06
Cardioids in coffee cups, counting with three fingers, and breakfast at Villani's. Plus the return of all your favourite fun pages in our autumn 2017 issue.
What’s your favourite number?
Favourite numbers for many are linked to birthdays or anniversaries, but here is our take on the question