Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
http://www.bbc.co.uk/programmes/p02nrss1
WS MoreOrLess: Kidney Donation
The chance of a successful kidney match between two unrelated people has increased significantly in the past 10 years - why? Ruth Alexander speaks to Professor Anthony Warrens, president of the British Transplantation Society. And we find out for our loyal listener how many individuals he will need to create a new race of people. This programme was first broadcast on the BBC World Service.