More from Chalkdust
Top Ten: puzzles
The undisputed top ten puzzles this season
Borwein integrals
Aimen Khan ponders how patterns break down
A daredevil’s disaster
Donovan Young goes round the bend exploring what happens when the loop-the-loop goes wrong
Who needs differentiation?
Paddy MacMahon calculates tangents and turning points without calculus
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Christmas conundrum #2
Solve this and you could be the lucky winner of a signed copy of The Indisputable Existence of Santa Claus