Our Changing World for Thursday 22 January 2015

9:34 PM.The Vintage Aviator recreates old airplanes, mainly from World War I, using century old techniques as well as modern science and engineering Read more Audio

9:19 PM.A handheld machine will soon allow people to test for DNA using Q-PCR in the field and not just in the lab Read more Audio

9:06 PM.Hihi, or stitchbirds, are New Zealand's smallest 'honeyeater', and need extra sugar to help them survive on Kapiti Island Read more Audio