We must start and end at one of the bottom points
More from Chalkdust
The Art of Uncertainty
We review the seventh and last of this year’s nominees for Book of the Year
Significant figures: Sofya Kovalevskaya
Nora Koparan tells the story of the first female professor of mathematics
How to make sci-fi fans angry
Follow these simple steps to frustrate anyone who ever dreamed of using their light saber on the USS Enterprise
Dear Dirichlet, Issue 15
Weddings, holidays and catfish find their way into the prof's postbox this issue.
Puzzles, Issue 04
Solve the puzzles that appeared in Issue 04.
Victorian maths tricks with old money
Exploring mental arithmetic tricks in T. Martin's 1842 guide, 'Pounds, shillings and pence'