More from Chalkdust
Orbit crossnumber
Can you solve it?
Black mathematician month 2019
A month celebrating the contributions of black mathematicians
In conversation with Eugenia Cheng
We chat to the author of the best-selling book How to Bake Pi and pioneer of maths on YouTube
Going once, going twice… game theory?
A quick look at how to get the most bang for your buck the next time you're in a bidding war
Changing the status quo
Difficulties in designing a voting system for referenda
Can we do good more effectively?
Choosing which charity we donate money to shouldn't be an entirely emotional decision.