Nau mai, haere mai and welcome to your weekly newsletter.

One of the consequences of delaying the New Zealand general election is that about 5,000 more young people will be eligible to vote because their 18th birthdays now fall before October 17. This is wonderful for those young citizens, but as philosophy lecturer Nick Munn writes, it also points up the arbitrariness of the voting age in the first place. By lowering it, as the “Make it 16” campaign calls for, might we engage more young people in the democratic process and form the voting habit earlier?

The election was delayed, of course, because of the COVID-19 outbreak in Auckland and the subsequent level 3 alert in our biggest city (and level 2 elsewhere). In contrast to the country’s first outbreak, during which only 25 of the more than 1,000 positive samples had been genetically sequenced by mid-April, genome sequencing is now an integral part of the resurgence response. It speeds up the process of confirming whether new cases belong to the Auckland cluster, as David Welch explains, and it will remain useful well beyond the immediate response, as we try to better understand this virus.

There is a lot more to read in this edition, including legal expert Al Gillespie’s thought-provoking argument in favour of a prisoner transfer agreement with Australia that would allow the Christchurch terrorist (whose sentencing hearing is taking place right now) to be deported back to his home country.

As ever, thank you for supporting The Conversation and please spread the word to any friends, family and colleagues you think might appreciate our work too.

Until next time – take care, noho ora mai.

Finlay Macdonald

New Zealand Editor: Politics, Business + Arts

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Lowering New Zealand’s voting age to 16 would be good for young people – and good for democracy

Nick Munn, University of Waikato

Changing the voting age from 18 would allow more young citizens to make voting a habit before they lose interest in politics.

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Populism from the Brexit and Trump playbooks enters the New Zealand election campaign – but it’s a risky strategy

Robert G. Patman, University of Otago

The woeful record of populist governments in dealing with COVID-19 is unlikely to convince voters New Zealand should emulate them.

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Jailing the Christchurch terrorist will cost New Zealand millions. A prisoner swap with Australia would solve more than one problem

Alexander Gillespie, University of Waikato

New Zealand and Australia have no prisoner transfer agreement. By negotiating one, we could deport the Christchurch terrorist and help resolve the trans-Tasman prisoner problem in the process.

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Genome sequencing tells us the Auckland outbreak is a single cluster — except for one case

David Welch

Genetic analysis of virus samples from New Zealand's latest COVID-19 cases is now much swifter. It's providing key information, but hasn't yet answered the question of where this second wave started.

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Mask or no mask? This simple ethical approach can help with your pandemic etiquette

Elspeth Tilley, Massey University

Worried about being accused of virtue signalling or getting funny looks for wearing a mask? Here's how to test your ethics and come to the right decision.

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Young New Zealanders are turning off reading in record numbers – we need a new approach to teaching literacy

Christine Braid, Massey University

With 52% of 15-year-olds now saying they read only if they have to, experts say a new way of teaching literacy is overdue.

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How setting aside some ‘worry time’ can help reduce anxiety over COVID-19 lockdowns

Dougal Sutherland, Te Herenga Waka — Victoria University of Wellington

During uncertain times, feelings of anxiety and even anger are normal responses. If left unchecked, these emotions can affect how we behave, but acknowledging them can ease their intensity.

From our foreign editions

Approval of a coronavirus vaccine would be just the beginning – huge production challenges could cause long delays

Bruce Y. Lee, City University of New York

Once a coronavirus vaccine is approved, billions of doses need to be manufactured. Current vaccine production is nowhere near ready, for a variety of reasons, but planning now could help.

How Alexei Navalny revolutionized opposition politics in Russia, before his apparent poisoning

Regina Smyth, Indiana University

Russian opposition leader Alexei Navalny, gravely ill from a suspected poisoning, brought a new type of opposition to Russia in tune with popular concerns and aimed at finding common ground.

Why QAnon is attracting so many followers in Australia — and how it can be countered

Kaz Ross, University of Tasmania

QAnon is gaining ground in Australia due to a growing distrust in the government and media, part of which is rooted in a perceived lack of transparency over the coronavirus response and restrictions.

Digging your own digital grave: how should you manage the data you leave behind?

Patrick Scolyer-Gray, Deakin University; Arash Shaghaghi, Deakin University; Debi Ashenden, Deakin University

What happens to our online data after we die? From memorial Facebook pages to password security, a project at Deakin University is exploring the pitfalls and possibilities of "data after death".

COVID-19’s teaching challenges: 5 tips from pediatric care for teachers wearing masks

Laura Sokal, University of Winnipeg; Ellen Reimann, University of Manitoba

Children up to age five get a lot of cues from facial expressions. That makes teaching in a mask challenging, but teachers can learn from strategies developed by masked pediatric nurses.

What archaeology tells us about the music and sounds made by Africa’s ancestors

Joshua Kumbani, University of the Witwatersrand

There is not much information on artefacts used by Stone Age humans to make sound and music – but the first comprehensive survey is a good start.

Reverse dieting: slowly increasing calories won’t prevent weight regain – but may have other benefits

Duane Mellor, Aston University

There's currently little evidence that 'reverse dieting' works.

Why Donald Trump still appeals to so many evangelicals

Emma Long, University of East Anglia

Evangelicals used to stay out of party politics. No longer.