A critical error in a report on lockdown timing risks undermining future decisions

A Productivity Commission report finding was based on a fundamental misunderstanding of the nature of disease transmission dynamics, and now that error has itself been transmitted in the media and into the election campaign, write Nic Steyn, Mike Plank, Alex James, Rachelle Binny, Audrey Lustig and Shaun Hendy of Te Pūnaha Matatini. On May 2, … Read more

Covid-19: The maths that explains why we’re locking down

Want to avoid Covid-19? Skip the high dose vitamin C, and take a moment to learn about the statistical modelling that helps us understand how diseases spread. Shaun Hendy explains. Infectious diseases like Covid-19 spread from person to person. If, on average, every person who gets it goes on to infect two other people, then … Read more

One big idea to transform travel in New Zealand

A view from the train of Ruapehu

New Zealand’s universities have a shocking record on emissions. If they band together, however, they could make a massive difference. Shaun Hendy explains. Humour me for a minute by imagining that the University of Auckland was facing a 40% budget blowout next year. Of course, you chuckle, this would never happen. The University of Auckland … Read more

Why is NZ’s environmental regulator trying to muzzle scientist Mike Joy?

The Environmental Protection Authority CEO’s complaint to Massey University about the freshwater ecologist sparked a disciplinary process, yet the agency seems strangely disinclined to speak out on climate change denial, writes Shaun Hendy. The Environmental Protection Authority (EPA), New Zealand’s statutory environmental regulator, says that it is worried about science denial in New Zealand. “Debate the … Read more

Today I will march for science. And this is the speech that I’m not going to give

I’m taking part because I am part of a global community and because Trump’s actions affect us all. And I want New Zealand’s politicians to understand this, too, writes Shaun Hendy. At 1.30pm this afternoon, I will be marching from Britomart up Queen Street to the Band Rotunda in Albert Park, along with many other … Read more

Are New Zealand’s scientific experts really dead – or just resting?

The row over Jacqueline Rowarth’s strange suggestion that the Waikato River is one of the world’s five cleanest reveals a need for more scientists to be heard in public, not fewer, writes Shaun Hendy. In post-Brexit Britain, failure to heed the warnings of economists on the risks of leaving the EU has spawned many a … Read more