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Formal sums
Nik Alexandrakis explains what they are and what they can tell us
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Ten things you didn’t notice in Issue 06
You won't believe number 5!
Chalkdust Issue 05 coming 7 March
Free launch party, 7.15pm. Come along! Free copies of Chalkdust, free pizza, and buy your own Chalkdust T-shirt.
Christmaths carols II
Behind today's door... Another carol!
The Chalkdust Christmas card
This year's Chalkdust puzzle Christmas card