$180m and counting: Why have there been so many big floods?
Even forecasters are taken aback by 2021's slew of big flood events. What's behind them?
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Experts urge rethink on kids' screen-time guidelines
Blanket limits on kids' screen time don't reflect modern family life, expert review finds.
Big Read: Will the health system cope with Delta?
The unvaccinated "will potentially will lead to hospital overload", one specialist warns.
NZ just had its warmest winter - again
Influence of climate change clear in what was NZ's second consecutive warmest winter.
Covid-19 experts agree numbers encouraging - but don't party yet
Twenty-eight new Covid-19 community cases were reported today.
Can NZ ever reopen the bubble with Oz?
Victoria and NSW have all but given up on elimination. Where does that leave the bubble?
Covid-19: ESR study confirms power of wastewater testing
Wastewater sampling has near-90 per cent odds of detecting 10 infected people in 100,000.
What will the next big Covid variant look like?
Delta won't be the last we see of high-risk variants in this pandemic. What can NZ expect?
Balmy weather to roll on through spring, as La Niña lurks
Niwa is picking a balmy spring, bringing unseasonably warm temperatures at times.
Insight: What genomes reveal about the Delta outbreak in NZ
Scientists have sequenced hundreds of Delta genomes this outbreak. What have they learned?
Covid: How long does immunity last after vaccination? Two experts explain
ANALYSIS: Here's what the data tells us so far.
Expert: The key number to look out for in days ahead
A 'network' of essential workers falling ill a big concern, Covid-19 modeller warns.
T. Rex was fearsome but may have been a picky eater
New York Times: Was the Tyrannosaurus rex a foodie?
Auckland's bright lights harming ecosystems, spoiling our galaxy view
Researchers measure night sky brightness over more than 100 sites across several years.
Extra lockdown 'drip feed ... spin', says Seymour, but medical experts pleased
David Seymour has criticised the Government's response to the latest outbreak.
Covid-19: Airborne virus spread 'vastly underappreciated'
Current Covid-19 measures may not be enough to mitigate risk posed by aerosol spread.
'Lockdown weather': Is it really sunnier under Level 4?
Forecasters have joked about it - but is the weather really better when NZ's in lockdown?
Covid-19: Three big reasons NZ needs to stick with elimination
Why stick with NZ's elimination gameplan? Jamie Morton gives three obvious reasons.
Coronavirus Covid-19: 'Significant concern' over Pacific vaccination rates
A NZ serious about inequity would have pushed for higher Pacific vaccination, GP says.
Middlemore ED staff member, 9 AUT students test positive; two-thirds of cases aged under 30
Two thirds of community cases in NZ's Delta outbreak are younger than 30, data shows.
Covid: How will Delta evolve? Here's what the science tells us
ANALYSIS: Delta is not the end of the story for SARS-CoV-2.
Two people sought in Covid outbreak source investigation
Officials trying to reach two people as source investigation at Crowne Plaza continues.
Israel claims Covid 'game-changer' on the way
Experts in Israel have been working on new ways to beat Covid.
Covid-19 coronavirus: Vaccine 'hesitancy' media stories as impactful as misinformation
Articles about reluctance to get Covid shot as harmful as misinformation, study finds.
Hidden immunity: Why Covid booster jabs may not be needed after all
Our bones generate dialled-down protection that could last for decades, studies find.
Just how did Delta get into NZ?
NZ's Delta outbreak has swelled to 72 cases. How did it start? Here's what we know so far.
Five changes NZ can make to fight Delta outbreak
NZ should consider pausing international flights while it tackles outbreak, experts say.
'I am sure we will beat this': Why Michael Baker is optimistic about Delta outbreak
"We should see it peak very soon, actually - just this week."
Covid-19: Should we vaccinate all children against Delta?
NZ's approved the vaccine for use in people as young as 12. Should all kids get the shot?
Hidden monster: What we're learning about NZ's big tsunami-maker
NZ's Hikurangi Subduction Zone is a sleeping taniwha. But we're learning much about it.
How are scientists modelling the Covid-19 Delta outbreak?
Modellers expect the outbreak to number around 100 cases. How do they come to that figure?
Covid-19: Hundreds could die if NZ re-opened without health measures - study
Reopening NZ without measures like lockdowns may mean more than 11,000 hospitalisations.
Covid 19 outbreak: The weekend Delta came to Coromandel
Inside the perfect weekend getaway that brought Covid-19 to a small town.
Delta outbreak may be 'more contained' than first feared - virologist; 11 new cases, 2 in hospital
NZ's Delta outbreak may be 'more contained' than first feared, a virologist says.