Our Changing World for Thursday 23 July 2015

9:48 PM.The genome of the North Island brown kiwi has just been published by an international team of researchers Read more Video, Audio

9:34 PM.Ruth Beran's award-winning feature on sleep apnoea follows Maui Stewart to the sleep clinic on a journey to better health. Read more Audio

9:20 PM.Do sea urchins live in a 'landscape of fear' and is the mere presence of predatory crayfish and snapper enough to change their behaviour? Read more Video, Audio

9:06 PM.Veronika Meduna visits a salmon hatchery to find out more about how salmon are bred and farmed, and about the family tree of each fish. Read more Audio