HARDtalk - Lord Winston, Professor of Science and Society

Science's greatest inventions and discoveries have been responsible for the advancement of the human race, but has our development come at a price? Scientists regularly sound the alarm bells and warn of threats to our existence but do they always get it right? Professor Robert Winston is one of Britain's most prominent scientists. He argues that for 'every act of creation and innovation there also exists the potential for our undoing'. He talks to Stephen Sackur.