Our Changing World

Tiny plants that live on the underside of sea ice form an upside-down garden that feeds krill and is the base of the Antarctic food web. Read more Video, Audio

Researchers are using hot water to drill through the Ross ice shelf, to discover what has happened to Antarctic ice during previous periods of warm climates. Read more Audio

Alison Ballance eavesdrops on the songs of the world's southern-most mammal, the Weddell seal, and finds out about sea ice. Read more Audio

A team finding links between melting ice sheets in Antarctica and rising sea levels in NZ has won the 2019 Prime Minister's Science Prize. Read more Audio

Student Thomas James wanted to help his elderly neighbour, so he invented a wheelie bin robot to take her large recycling bin to the kerb. Read more Audio

Michelle Dalrymple, winner of the 2019 Prime Minister's Science Teacher's Prize, says being mathematically literate is an important life skill. Read more Audio

Emperor penguin researchers are waiting for tagged birds to return, and an elderly radar system sheds light on a very windy part of the atmosphere. Read more Audio

Alison Ballance meets a colony of Emperor penguins and their NIWA researchers, and finds out about making water on the frozen continent Read more Audio

Keeping Scott Base warm and well-lit no matter the weather outside, and a physics experiment that eavesdrops on messages to submarines. Read more Audio

Alison Ballance has her first day at New Zealand's Antarctic station, Scott Base, and visits the historic Hillary's Hut. Read more Video, Audio

Alison Ballance dons her extreme cold weather clothing for a trip to Antarctica - but getting to the frozen continent can take time. Read more Audio