Professor Sir Martin Evans' ground breaking work has been rewarded with this year's Nobel Prize in Medicine. Stephen Sackur asks if stem cells are really going to change our lives. Show more
Discover 11,128,835 listings and 280,249 playable programmes from the BBC
Professor Sir Martin Evans' ground breaking work has been rewarded with this year's Nobel Prize in Medicine. Stephen Sackur asks if stem cells are really going to change our lives. Show more