How the Covid lockdown changed our air, our water, and the sounds around us

What did the lockdown do for air quality, the noise around us, and our water?

When it all stopped: measuring the impacts of the great lockdown experiment

We explore the impacts of those extraordinary measures, intended and otherwise. Today: how we stopped moving.

How high-tech recycling could stop waste batteries becoming the next plastic crisis

To celebrate Recycling Week, Vanessa Young explains the essential role of nano-recycling in making the most of the tiny-scale but potentially harmful waste from batteries, circuit boards and more

My life as a human guinea pig on the Oxford Covid vaccine trial

Six months ago, several hundred volunteers began participation in a clinical trial of the vaccine. Among them was UK-based NZ journalist Richard Adams.

Science Archive

Siouxsie Wiles & Toby Morris: Covid-19 and the Swiss cheese system

If it's elimination of the virus we're after, we're going to need all the cheese.

Cannabis and psychosis: a referendum red herring

The connection between cannabis use and psychosis is far more murky than asserted by yesterday's article on The Spinoff, writes an expert in how psychoactive drugs modify brain and behaviour.

Siouxsie Wiles: New Zealand’s Covid-19 vaccine purchase agreement, explained

What exactly is the vaccine, who's likely to get it and when?

100 Year Forecast: What can we do about climate change?

Watch all five episodes of 100 Year Forecast and see the special interactive website now.

100 Year Forecast: What will climate change mean for our animals?

Watch all five episodes of 100 Year Forecast and see the special interactive website now.

100 Year Forecast: Where will New Zealand be most at risk from flooding?

Watch all five episodes of 100 Year Forecast and see the special interactive website now.

100 Year Forecast: Where will New Zealand get wetter and drier?

Watch all five episodes of 100 Year Forecast and see the special interactive website now.

100 Year Forecast: How do we know the climate is changing?

Watch all five episodes of 100 Year Forecast and see the special interactive website now.

How the PCR test works and why it’s such a critical weapon against Covid-19

Misinformation about the effectiveness of the test is swirling, but in fact the PCR is both reliable and critical in taking on the virus.

The girth of Venus

Could there be life in the belt of gas that surrounds Venus? Astronomers reckon there might just be.

The artificial intelligence trying to level Twitter’s toxic playing field

Tech start-up Areto Labs noticed online abuse was stopping women from going into politics – so it did something about it.

Five things we know about Covid-19 (and five we don’t)

Futurist and evolutionary biologist Robert Hickson on the known and as-yet-unknown aspects of the virus.