Our Changing World for Thursday 27 November 2014

9:46 PM.Orokonui Ecosanctuary near Dunedin is now home to the southern-most tuatara population in New Zealand Read more Audio

9:40 PM.Eleven researchers have been awarded prestigious medals by the Royal Society of New Zealand. Read more Audio

9:34 PM.The 2014 winner of New Zealand's top science honour, the Rutherford Medal, is theoretical chemist Peter Schwerdtfeger Read more Audio

9:20 PM.The popular petunia flower is helping plant biologists unlock the genetic secrets behind plant colour and pattern Read more Audio

9:06 PM.Sports scientist Paul Macdermid is studying how people run on a water treadmill compared with an ordinary treadmill Read more Video, Audio