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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.

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 $\square$?
The sieve of Eratosthenes: revisited
How can we teach people about the sieve in a way that helps them best understand prime numbers?
An irrational problem
Investigating the power of thinking rationally
Flexagon Templates
Print out and make a flexagon