Monica Hill recommends a recent documentary on global population growth.

Do you switch off when statistics are mentioned? Are you concerned over their use or do you find them difficult to understand? This lecture to the Open University by statistician Hans Rosling, broadcast recently on BBC2 and still available on BBC iPlayer, is well worth watching. It deals with the tricky, controversial subject of trends in global population growth - but in an accessible, interesting way.

Watch the full programme here.