Our Changing World for Thursday 5 February 2015

9:06 PM.New Zealand and Australian scientists head off on a six-week voyage to Antarctica to study top predators in the Southern Ocean. Read more Audio

9:20 PM.Alison Ballance joins a DOC expedition to remote Antipodes Island, and discovers its strange - and noisy - inhabitants Read more Audio

9:06 PM.Seismic blasts across a tectonic plate boundary in the Wairarapa will help understand locked plates Read more Audio