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Universal poetry
Andrew Stacey explores the mathematics within poetry.
Significant figures: David Singmaster (1938–2023)
Colin Wright remembers the puzzle giant with a passion for sharing
Crossnumber winners, Issue 15
Did you solve it?
What’s hot and what’s not, issue 08
Fashion is fleeting, Chalkdust regulars are not.
Superegg
How optimising the space around a circular monument is related to supereggs
The evolutionary arms race
Applying game theory to evolution