Our Changing World for Thursday 13 October 2005

9:46 PM.Louise Wallace talks to two medical researchers who are studying why it is so hard to lose weight once you've put it on. Audio

9:35 PM.Dean Williams begins a two-part series based on a visit of the Auckland Museum’'s collection of land vertebrates. Audio

9:20 PM.Mike Hendy, a mathematician at Massey University, talks about the New Zealand connection with evolution research. Audio

9:06 PM.Malcolm Longair talks about black holes, the origins of the universe and attempts to define dark matter and dark energy. Audio