 Cambridge University has a new Nobel Laureate. Embryologist Sir John Gurdon learnt on Monday that he’d won the physiology and medicine award for his discovery – using frogs – that if the DNA in the nucleus of a specialised cell from the intestine or skin of an adult frog is added an egg cell which has had its own genetic material removed, a new frog, genetically identical to the first can be formed. This is the basis of cloning, which eventually enabled scientists to clone dolly the sheep. At the age of almost 80 he’s still doing experiments and I went to see him in his lab to find out how he made this dramatic breakthrough… Listen Now
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