More from Chalkdust
Geometry Juniors
We review the second of this year's nominees for the Book of the Year
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Crossnumber winners, Issue 08
Did you solve it?
Maths trumps review
A mathematically-themed version of the classic card game, with several new features
Chalkdust’s Christmas conundrums
As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
Finding the edge of your images
How can we identify objects in photos, to diagnose cancer or predict the weather? Using gradients!