Lake Tarawera, seen from its outlet, has excellent but declining water quality.
The ecological health of New Zealand's lowland rivers and lakes is in decline, but principles borrowed from drinking water safety could help reverse the degradation.
Thousands of high school students across the US walked out of their schools to protest gun violence and to call for changes to gun laws.
Lowering the voting age to 16 would bring the age of political responsibility more in line with the age of criminal responsibility and the age of informed consent for medical procedures.
We use different grammar when speaking or writing, but the difference is so subtle that linguists were blind to it for centuries.
Spoken language evolves differently and faster than written language, and there are good reasons why this is the case.
Cyber attacks have the potential to cause economic disruption, coerce changes in political behaviour and subvert systems of governance.
Cyber security has dominated international affairs in 2017, with the US election hack as one of the main stories. The ongoing investigation shows that cyber attacks can subvert systems of governance.
Plastic pollution: discarded plastic bags are a hazard to marine life.
Tonnes of plastic end up in the ocean each year, but a switch away from petroleum-based products to bio-derived and degradable composites could lessen marine pollution.
Borrowings from the indigenous Māori language are so common that visitors to New Zealand are greeted in Māori as soon as they arrive.
One of the distinguishing features of New Zealand English is how much it borrows from the indigenous Māori, with consequences for both languages.
Surrogacy is fraught with uncertainties. Proposed regulation, inspired by the way the caring professions are regulated, would protect the surrogate and provide certainty about legal parentage.
A man carries belongings from his home in a flooded neighborhood in the aftermath of Hurricane Harvey in Houston, Texas.
The insurance industry should help its customers prepare for future catastrophes instead of burying it's head in the sand.
Researchers have reviewed evidence for wildlife disturbance and current drone policies and found that the law is playing catch-up with emerging technology.
The drone market is booming, with some unwanted consequences for wildlife. A new study argues that threatened species might need extra protections.
Snapper is one of the fish under New Zealand’s Quota Management system.
New Zealand’s fisheries are considered among the best managed in the world, but this perception doesn't match the facts.
People participate in a Pyongyang mass rally held at Kim Il-sung Square.
Reports of North Korea's capability of firing nuclear weapons are not the only serious threat to global security. North Korea has also become an aggressive cyber power.
328 football clubs, spanning all tiers of the game, are currently involved in the inquiry.
England’s Lucy Bronze (right) and Spain’s Leila Ouahabi (left) battle for the ball during the UEFA Women’s Euro 2017.
Mike Egerton/PA Wire/PA Images
The reality of life as a female sports star.
my star gazing profile.
The pre-dawn rising of the Pleiades, known as Matariki in New Zealand, heralds the turn of the seasons and the start of a new year for Māori.
The IOC is seeking to address the problem of an ageing audience with the inclusion of more youth-focused action sports in the Olympics.
The Japanese Olympic Committee recently announced five new sports for possible inclusion in the Tokyo 2020 Summer Olympics: baseball/softball, karate, skateboarding, sport climbing, and surfing.
David Bowie posing for the Aladdin Sane tour, 1973. Photograph by Masayoshi Sukita.
Image courtesy of ACMI.
David Bowie has long confounded us with enigmatic acts of gender transgression, with gestures and personas drawn from Hollywood stars, literature and avant-garde art. That flame still burns brightly.
New Zealand PM John Key canvassing on the campaign trail.
“PISA shock” is the term that has been coined for the sense of political crisis and knee-jerk policy reaction that typically occurs when a country drops in the Organisation for Economic Co-operation and…
Search and rescue.
When patients suffer from a brain injury and are unresponsive, we often don’t know whether they have suffered irreversible damage from which they will never recover, or whether the damage is a temporary…
Chertsey: never have so many, owed so much, to one sausage.
For much of the 20th century, faith has rested in bigger and better defences to hold back floodwaters. But repeated flooding has shown that large defences cannot, and should not, be the sole focus. The…
Passau, Germany under record flood waters. But who will pay for the clean up?
The 21st century appears to be one riven by shocks - whether terrorist, financial or climatic. In the aftermath, institutions, people, and societies more generally are frequently encouraged to be more…