Our Changing World for Thursday 2 February 2006

9:46 PM.A trial involving 12,000 women has shown that the vaccine Gardasil dramatically reduces the risk of developing cervical cancer. Audio

9:35 PM.Studying past climates and the traces of the world's largest underwater avalanches. Audio

9:20 PM.How the children of Barry Town School discovered in the 1940s that they had a special species of bird. Audio

9:06 PM.The discovery of a small, Earth-like planet, circulating a star some 25,000 light years away from our solar system. Audio