More from Chalkdust
Everything is Predictable
We review the second of this year’s nominees for Book of the Year
The problem with addition
It doesn’t add up for Patrick Creagh
Mathematics and pregnancy
Eleanor Doman and Qi Zhou swap percentages for placenta-ges
Dog leads, mirrors and Hermann Minkowski
Donovan Young looks at the shapes made when two cones collide
Top Ten: Calculator buttons
The definitive chart of the best buttons
Carnival of Mathematics 133
This month's round up of mathematical blog posts.