With the help of an expert in swimming pools, a lecturer in politics, and a mathematician, Ed will be working out why he can't do maths, and where we can and can't go swimming.
Discover 11,128,835 listings and 277,806 playable programmes from the BBC
With the help of an expert in swimming pools, a lecturer in politics, and a mathematician, Ed will be working out why he can't do maths, and where we can and can't go swimming.