Our Changing World for Thursday 9 May 2013

9:46 PM.Bouncing fruit and volcanic eruptions are all in a day's work for Victoria University mathematician Mark McGuinness Read more Audio

9:36 PM.Microbes can be sources of natural colours and flavours, and their growth can be manipulated when they are exposed to sound Read more Audio

9:20 PM.Marine sponges may yield drugs that could stop cancer cells dividing Read more Audio

9:06 PM.Sooty shearwaters are great ocean travellers, and seabird scientists are using geolocators to record their journeys Read more Audio