Our Changing World for Thursday 28 September 2006

9:46 PM.Louise Wallace visits laproscopic general surgeon Andrew Bowker to discuss gall stones. Audio

9:35 PM.Dean Williams talks to David Penman and Nick Faust about ways of using digital technology to help preserve biodiversity. Audio

9:20 PM.Veronika Meduna discusses the pros and cons of nanotechnology with Mike Treder. Audio

9:06 PM.Dean Williams joins the Department of Conservation's Hazel Speed during a translocation of North Island kokako. Audio