Our Changing World for Thursday 30 August 2012

9:50 PM.Seventh mystery sound from the Our Changing World opening theme Read more Audio

9:46 PM.There are 1000 or so species of seaweed in New Zealand, including many more species of karengo than previously recognised Read more Audio

9:34 PM.A new clinical algorithm will help predict likely recovery for stroke patients Read more Audio

9:20 PM.Scion has been looking for environmentally-friendly bio-based timber treatments against fungi and insect attacks Read more Audio

9:06 PM.Brian Gill is curator of land vertebrates at Auckland Museum, and he has written a book about the collection Read more Audio