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Our Changing World headlines with summaries.
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In search of southern right whales
30 Jul 2020Emma Carroll talks about the return of southern right whales from the edge of extinction and a project asking the public to report whale sightings.
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‘The week that snowed’ – shedding new light on old weather records
30 Jul 2020Take some old weather records. Add citizen scientists. Mix in machine learning. Result = something that might help predict future weather patterns.
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Voices from Antarctica 8: Under the ice
16 Jul 2020Tiny plants that live on the underside of sea ice form an upside-down garden that feeds krill and is the base of the Antarctic food web.
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Voices from Antarctica 7: What the ice is saying
9 Jul 2020Researchers are using hot water to drill through the Ross ice shelf, to discover what has happened to Antarctic ice during previous periods of warm climates.
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Voices from Antarctica 6: Seal songs
2 Jul 2020Alison Ballance eavesdrops on the songs of the world's southern-most mammal, the Weddell seal, and finds out about sea ice.
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Wheelie bin robot inventor wins science prize
2 Jul 2020Student Thomas James wanted to help his elderly neighbour, so he invented a wheelie bin robot to take her large recycling bin to the kerb.
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Passionate maths teacher wins a PM’s Science Prize
2 Jul 2020Michelle Dalrymple, winner of the 2019 Prime Minister's Science Teacher's Prize, says being mathematically literate is an important life skill.
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‘Melting ice & rising seas’ team wins PM Science Prize
2 Jul 2020A team finding links between melting ice sheets in Antarctica and rising sea levels in NZ has won the 2019 Prime Minister's Science Prize.
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Voices from Antarctica 5: Waiting for Emperors
25 Jun 2020Emperor penguin researchers are waiting for tagged birds to return, and an elderly radar system sheds light on a very windy part of the atmosphere.
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Voices from Antarctica 4: Best journey in the world
18 Jun 2020Alison Ballance meets a colony of Emperor penguins and their NIWA researchers, and finds out about making water on the frozen continent
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Voices from Antarctica 3: Flags to physics
11 Jun 2020Keeping Scott Base warm and well-lit no matter the weather outside, and a physics experiment that eavesdrops on messages to submarines.
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Voices from Antarctica 2: Scott Base
4 Jun 2020Alison Ballance has her first day at New Zealand's Antarctic station, Scott Base, and visits the historic Hillary's Hut.
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Voices from Antarctica 1: Ice Flight
28 May 2020Alison Ballance dons her extreme cold weather clothing for a trip to Antarctica - but getting to the frozen continent can take time.
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Little bit of sea-level rise = lots more coastal flooding
14 May 2020Scientists warn that a small amount of sea-level rise could have big consequences for some low-lying parts of New Zealand.
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Probing the hidden continent of Zealandia
7 May 2020Ocean floor rock cores drilled into the sunken continent of Zealandia are revolutionising our understanding of Earth's history and how continents form.
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On yer bike – how cyclists, pedestrians & cars share city streets
There is a fine art to how pedestrians, cyclists, and cars and buses navigate the shared thoroughfares of our towns and cities.
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Aussie bushfire smoke goes stratospheric
30 Apr 2020More than four months after it formed, a large blob of sooty dust from Australia's massive bushfires is still circling the southern hemisphere.
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100-year moth project – in the footsteps of George Vernon Hudson
23 Apr 2020Modern-day citizen scientists are following in the footsteps of a well-known Wellington naturalist, collecting moths to document a century of change.
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Maths, models & insights into the coronavirus pandemic
Mathematician Alex James, from Te Pūnaha Matatini & the University of Canterbury, explains the art and science of modelling the coronavirus pandemic.
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Our immune system vs coronavirus: ‘I think of it as an orchestra'
The human immune system is a complex system where T cells, B cells and antibodies battle invaders such as bacteria and viruses such as the one that causes COVID-19.
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Conservation and Covid-19
3 Apr 2020Is New Zealand’s environment benefiting from the lockdown?
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Virus 101 - the science of viruses
2 Apr 2020Virus expert Kurt Krause, from the University of Otago, gives us the lowdown on viruses, and on coronaviruses in particular.
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Air pollution - the invisible killer
26 Mar 2020GNS Science monitors levels of air pollution around New Zealand, especially small particles that can have severe health effects.
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Covid-19: the science of soap
23 Mar 2020When it comes to virus-busting, soap is an oldie but a goodie - because it turns out that soap is particularly effective against coronaviruses such as the one that causes Covid-19.
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