Our Changing World

Compounds made from a hallucinogenic party drug called Salvia divinorum could be the basis of new anti-addiction treatments Read more Audio

Rob DeConto is an ice-sheet and climate modeller, and he warns that if polar ice sheets melt global sea level could rise by 60 metres Read more Audio

Stable isotope analysis of sea lion and fur seal hair and bones is showing how marine food webs have changed over time Read more Audio

The eighth mystery sound from the 2012-13 Our Changing World opening theme Read more Audio

Sugar is linked to a number of health issues, from diabetes to heart disease, and is found in large quantities in many kinds of foods Read more Audio

Students from Aranui High Scool discuss Antarctica's role in the world's climate with scientists whose research is part of the Antarctic Time Travel exhibition Read more Audio

As male zebrafish age their sperm quality declines and they become less attractive - but it's not all bad news for older dads Read more Audio

Researchers are using brain activity to control robots and the technology may one day help patients with stroke or spinal injury Read more Audio

The seventh mystery sound from the Our Changing World opening theme Read more Audio

Wine maker Kirsten Creasy explains how new, rapid DNA tests are helping New Zealand vineyards to improve their products Read more Audio

Sarah Thomson is using a laser to probe the molecules in red pigments used in art to see how they fade due to light Read more Audio

After nearly 20 years of use the volcanic hazard alert system for New Zealand has been revised to make it simpler and more informative Read more Audio