More from Chalkdust
The Irrational Diary of Clara Valentine
We review the fifth of this year’s nominees for the Book of the Year
Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
How to make: a hexaflexagon
Make an amazing three faced hexagon
Somewhere over the rainbow
Some mathematical questions you might have wondered every time you look at one of those rainbows
Reinventing 2D
What a difference a matrix makes