Our Changing World

A tribute to Bill Ballantine, New Zealand's tireless campaigner for the protection of our oceans, who died this week at the age of 78. Read more Audio, Gallery

A housing project for native fish in suburban streams is hoping to provide safe refuges for giant kokopu and long-finned eels Read more Video, Audio

Psychologists and nutritionists at the University of Otago are studying how diet can have a positive impact on heart and brain health Read more Audio

Light has helped astronomers to discover many of the almost 2000 planets that orbit around stars outside our own solar system, thanks to Einstein. Read more Audio

The newly launched Endangered Species Foundation has identified some key threatened species that need urgent conservation work Read more Audio

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

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

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

A team of AgResearch scientists had analysed the rumen microbiome in different animals across the world and found similar methane-producing micro-organisms. Read more Audio

Ultra-fast lasers - or more properly ultra short-pulsed lasers - are very accurate, which makes them useful in industry and research Read more Audio

Cook Strait is known for its strong tidal currents, but NIWA oceanographers have completed comprehensive measurements of subtidal residual currents. Read more Video, Audio

A group of Year 13 students from Kaikorai Valley College in Dunedin have created a biotechnology company and installed a biodigestor at school Read more Audio