Where do numbers come from?

An entertaining overview of the very origins of mathematics and numbers. Deep philosophical questions, mathematical murder, puzzling proofs, and mysterious memes: they all lead us through the human story of numbers, to finish with one of the most celebrated mathematical images of modern times.

Along the way:

- Who killed Hippasus?
- Just why is A4 paper 297mm long?
- How do you know when there are -1 sheep in a field?
- What is the square root of -1? Why does it matter?

*Is maths created by us, or are we discovering eternal truth?*