The history and properties of numbers
World Service,路6 episodes
How and where did the concept of zero come from?
How is a bicycle a six-dimensional object? And what does the number 2 have to do with it?
The number that reveals how long a circumference of a circle is in terms of its radius
Why do we use base 10, rather than base 7, or base 15?
Why have some numbers been given names?
Why does number 5 feature so heavily in the patterns in nature?
