More from Chalkdust

Theorems of the 21st Century Seminar
A new online seminar series. Each seminar is an accessible introduction to a theorem of the 21st century.
Launch day puzzle hunt
Celebrate the launch of issue 11 by taking part in our puzzle hunt
The Art of Logic
We review the third of this year's nominees for the Book of the Year
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
To share, or not to share
A tragic love story of shares and viral songs. To share, or not to share...
How to make: Christmas Special
Making gingerbread Platonic solids, Fröbel stars and Christmas flexagons
