We celebrate the most famous of mathematical constants with a circle puzzle.
The impossible becomes possible when you move into the third dimension.
A quick look at an ancient problem.
A brand-new pentagon to tile your wall with.
How calculating the height of a frustum gave a glimpse of the mathematical frontier.
How longitude presented one of the greatest problems in history.
What are global coordinates?
The division of plant cells is governed by their shape – just one example of how maths may reveal the fundamental laws underlying biology.
Happy pi day!
How to derive the famous quadratic formula from pictures, just like the Babylonians did.