Our Changing World

Christchurch photographer David Hallett has a passion for taking photos of New Zealand birds, and says he takes some of his best images in his back garden and local neighbourhood Read more Audio

Les McPherson began recording bird calls in 1969, and set out to create a sound archive of every New Zealand bird Read more Audio

The National Whale Centre opens in Picton to focus on the natural and cultural history of cetaceans and to mark 50 years since the end of commercial whaling in New Zealand. Read more Audio

Google's Loon project aims to deliver internet access to remote areas, but the balloons are also helping scientists to study changes in the stratosphere. Read more Audio

A biologist is asking citizen scientists to help identify thousands of photos of introduced predators taken by remote cameras Read more Audio

Two new studies report a decline in sperm quality in older males, and poor breeding success as a result of inbreeding in little spotted kiwi populations Read more Audio

Drinking two sugar probes is a common test to measure the leakiness of the gut but research by Ivana Sequeira has improved it Read more Audio

Wild robins are the perfect subjects for a study looking at how smart birds are, and whether being smart helps them raise more chicks Read more Audio

In this programme, recorded in 2004, Veronika Meduna joins University of Otago archaeologist Charles Higham and his team during excavations in Cambodia. Read more Audio

The 2014 Prime Minister's Science Teacher Prize was won by Terry Burrell, from Onslow College in Wellington Read more Audio

Palaeontologist Stephen Brusatte introduces the newest member of the tyrannosaur family, the small and long-nosed Pinocchio rex. Read more Audio

Mapping the genome of New Zealand's tuatara and Australia's platypus is key to understanding the evolution of all vertebrates Read more Audio