RNZ: Our Changing World

The Royal Society of NZ has released guidelines for scientists on public engagement. The NZ Association of Scientists President responds.

Shining a light on milk to reveal its secrets will allow 'point of cow diagnostics' about the quality of milk and the health of individual dairy cows.

Auckland University chemists Cather Simpson and David Williams are shining a light on milk to reveal its secrets. 'Milk on a Disc' uses lasers, spinning transparent discs and a spectrometer to accurately analyse the properties of milk samples as well as the health and pregnancy status of individual cows. Simpson and Williams call it "point of cow diagnostics". (topics) science (regions) Auckland Region (tags) milk, dairy, wine, lasers, spectroscopy

Three leading eradication experts talk about Predator Free New Zealand 2050, including the social aspects of engaging communities and the need to develop new tools to better control rats, stoats and possums.

Sara Dean and Beth Ferguson are American designers whose projects include using Twitter to help Jakarta residents know about floods, and creating accessible solar charging stations.

Rogue waves are rare, massive waves and Craig Stevens explains that although 'we know one when we see one' we don't understand how they form.

Year-6 students Ava Beens and Eilish Cassidy take part in the 2016 International Science Festival in Dunedin, and give a 2-minute speech on what inspires them about science.

Project Activate involved a group of 12-year-old Pacific Island students learning about healthy living and science - and it included a swim in a research flume pool.

As part of the 2016 International Science Festival in Dunedin, teenager Corey Symon was gifted a 3D-printed bionic arm by Limbitless Solutions.

Within 200 years of settling the Chatham Islands, Moriori had hunted the local sea lion to extinction. What lessons can we learn from that?

As Our Changing World is about to change to a shorter format, Veronika Meduna looks back at some of her favourite stories about science and the environment.

A medley of marine science news including the challenges facing mussel bed restoration in the Hauraki Gulf, a multi-level habitat cascade that depends on cockles at its base, the discovery that prickly dogfish eat the eggs of other deep sea sharks, and Antarctic toothfish eggs, discovered for the first time in the Ross Sea in mid-winter.

After two years of measuring gravity from a plane, LINZ has just released a new vertical datum for New Zealand and its coastal seas. This allows the accurate measurement of sea level.

Team Taniwha, from the University of Auckland, has designed and built a human-powered submarine, that has borrowed ideas from leather-jacket fish, and currently holds the world record for a non-propellor submarine.

New Zealand sea lions are the rarest sea lion in the world. They face a number of threats, including disease, food limitation and by-catch in commercial fisheries - so which threat is most important?