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Significant figures: Sofya Kovalevskaya
Nora Koparan tells the story of the first female professor of mathematics
Dear Dirichlet, Issue 18
Phone assistants, duplicating pastries, and being a 10 anywhere else are among the topics of discussion in this issue's Dear Dirichlet advice column
Cryptic crossnumber (including hints)
Looking for a challenge? Try our cryptic crossnumber—with hints and tips so anyone can have a go!
What’s hot and what’s not, Issue 11
Fashion is fleeting, Chalkdust regulars are not.
Roots: Pythagoras of Samos
Pythagoras gave us so much more than a² + b² = c²
Prize crossnumber, Issue 04
Can you solve it?