What was the first (known) maths mistake?
17:54
What was the most expensive book ever?
15:29
How Roman numerals broke the official dog database.
14:47
Recursive PowerPoint Presentations [Gone Fractal!]
16:24
The Riemann Hypothesis, Explained
15:50
Is there an equation for a triangle?
17:51
Does "land area" assume a country is perfectly flat?
28:37
How does Dobble (Spot It) work?
10:50