A triangle
Clare (like gare) is a Chalkdust editor. In her spare time, she’s an assistant professor at Durham University. She likes Skittles, probability, and making the magazine look more like Cosmo.
More from Chalkdust

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
Chalkdust dissertation prize
Calling all final-year students!
The big argument: What’s the best way to end a proof?
QED or $\square$?
Why self-service machines give such awful change
Unexpected item in bagging areAAAARGGGHH here's 90p change in pennies
Puzzles, Issue 02
These puzzles appeared in Issue 02 of the magazine.
The perils of p-values
David Colquhoun explains why more discoveries are false than you thought
