More from Chalkdust
What’s hot and what’s not, Issue 18
Fashion is fleeting, Chalkdust regulars are not.
Mathematics and pregnancy
Eleanor Doman and Qi Zhou swap percentages for placenta-ges
Slaying the dragon
Callum Ilkiw takes us through a Dungeons and Dragons dice dilemma
Covering infinity
Sophie Bleau uncovers the secrets behind covering maps
Christmas competition #1: ‘You can’t polish a nerd’
Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
Why knot?
You can un-knot a knot, by cutting it not?