More from Chalkdust
- We talk to the Fields medallist about his life, his work and his advice to his younger self.
- Paddy Moore levels the score
- How big is the biggest cow?
- We review the fourth of this year's nominees for the Book of the Year
- Pamela E Harris's story, as told by Talithia Williams
- Exploring the legacy of John Nash (1928 – 2015)