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The history and properties of numbers
World Service,·6 episodes
How and where did the concept of zero come from?
16 Jan 1995,·8 mins
How is a bicycle a six-dimensional object? And what does the number 2 have to do with it?
23 Jan 1995,·8 mins
The number that reveals how long a circumference of a circle is in terms of its radius
30 Jan 1995,·8 mins
Why do we use base 10, rather than base 7, or base 15?
06 Feb 1995,·8 mins
Why have some numbers been given names?
13 Feb 1995,·8 mins
Why does number 5 feature so heavily in the patterns in nature?
20 Feb 1995,·8 mins
