Our Changing World for Thursday 22 October 2015

9:46 PM.Ecologist Cilla Wehi hopes that the hair and bones of kuri, or now extinct Maori dog, might hold clues to what they ate Read more Audio

9:34 PM.Next generation printable and flexible solar cells, made with new materials, are part of a clean-energy revolution Read more Audio

9:06 PM.Scientists set fire to blocks of wilding pines to study whether chemicals used to control the weedy trees change the fire hazard. Read more Audio, Gallery