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Features
In conversation with Anne Skeldon
Sam Kay and Ellen Jolley race against the body clock with the University of Surrey professor
On the cover: A new puzzle every day
Matthew Scroggs puts polyominoes inside polygons
Cheating at Tetris
Ffreuer Bristow works out which pieces can force someone to lose
The secret life of words
Barry Pawlik builds words and sentences from doubles
Coffee problems
Patrick Hedfeld has bean there, modelled that
Solving a cubic in 1646
Elinor Flavell takes squaring the circle to another level
The beautiful soaisu partition
Kenichi Takemura uncovers symmetries hidden in plain sight
Order, order!
Louie Leventhall chunters from a sedentary position
Taking the sting out of wicked problems
Isabel Harrison and Quinn Thomazin were busy bees last summer
Significant figures: Emmy Noether
Not a-Noether one! Sonia Balan can't stand this.
Fun
Dear Dirichlet, Issue 23
Travel, trade and Tony Blackburn pepper the prof's postbag this issue
Comic: Introduction to catalysis
If you'll open your textbook to page... oh, the cat's sitting on it
What’s hot and what’s not, Issue 23
Fashion is fleeting, Chalkdust regulars are not.
The big argument: 6 or 7?
✋ Which is best? 🤚
Which generation are you?
Always banging on about how numbers were better in the good old days? Take our quiz to find out how old you really are…
The Chalkdust guide to: Citation metrics
Confused by other academics telling you about their h-index? Then this handy guide may be just what you need!
Cryptic crossword, Issue 23
Can you solve it?
Top Ten: puzzles
The undisputed top ten puzzles this season
A mathematician’s guide to Leiden
Stranded in the Netherlands? This guide will keep you busy
Prize crossnumber, Issue 23
Win £100 of MathsGear goodies with our famously fiendish crossnumber
Book of the Year 2025
For the first time in Chalkdust history, we have a double winner
Which musical are you?
Find out by using our simple flowchart
Printed versions
More from Chalkdust
Dear Dirichlet, Issue 23
Travel, trade and Tony Blackburn pepper the prof's postbag this issueWhat’s hot and what’s not, Issue 23
Fashion is fleeting, Chalkdust regulars are not.Which generation are you?
Always banging on about how numbers were better in the good old days? Take our quiz to find out how old you really are…The Chalkdust guide to: Citation metrics
Confused by other academics telling you about their h-index? Then this handy guide may be just what you need!Cryptic crossword, Issue 23
Can you solve it?Top Ten: puzzles
The undisputed top ten puzzles this season