A failed attempt to draw the doodle without crossing a line.
More from Chalkdust
Roots: Gerolamo Cardano
Emma Bell explains why the Renaissance mathematician Gerolamo Cardano styled himself as the "man of discoveries".
Our favourite (and not-so-favourite) Euler equations
A collection of our favourite and least favourite things named after Euler, from issue 07
Chalkdust Issue 07 – coming 13 March
Join us at our upcoming launch party!
Christmas conundrum #1
Solve this and you could be the lucky winner of a Chalkdust T-shirt
What’s your least favourite number?
Read about our least favourite numbers in this collection from issue 5!
Advent facts I
Santa's sack of scientific surprises