Our Changing World for Thursday 22 December 2005

9:46 PM.Some of the best young scientists at the 2005 Genesis Energy Realise the Dream science competition. Audio

9:35 PM.Neil Johnson explains a trial which aims to test a drug that could improve fertility for women with PCOS. Audio

9:20 PM.Dean Williams talks to Peter Neill, the Director of the World Ocean Observatory in New York. Audio

9:06 PM.Veronika Meduna talks to the Australian scientist and author about his latest book, The Weather Makers. Audio