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- 1905 - The fight for the forest and the fernbird
About two hours south of Dunedin, in the Catlins, the Tautuku and Fleming rivers flow into the sea at Tautuku beach. Covered in native bush from headwaters to the ocean, this special catchment is home to many native, and some threatened, plants and animals. But there’s an ongoing battle. Browsing animal such as deer and pigs are destroying the undergrowth, while feral cats and stoats are predating on critters such as the mātātā, the South Island fernbird. We meet some of the people fighting back.
Wed, 30 Oct 2024 - 26min - 1904 - Lead bullets - a health risk for humans and kea
Every year in New Zealand, recreational hunters shoot more than half a million wild game. Most are shot with lead-based ammunition. Now, researchers are investigating what happens to that lead, and how much of it is getting into the food chains of humans and the endangered kea. Alison Ballance speaks to scientists at Nelson-Marlborough Institute of Technology, and kea conservationists and predator control experts at the Department of Conservation to learn more.
Wed, 23 Oct 2024 - 26min - 1903 - Can birds adapt their nest building for a warming world?
To keep their eggs safe, some birds build simple cup-shaped nests. Others craft elaborate fully enclosed domes, with porches, fake entrances and ledges. But is this intricate construction of nests a set, encoded behaviour? Or can birds adapt in different conditions? Researchers are keen to learn about flexibility in nest design, to better understand how different species might be able to respond as the climate changes.
Wed, 16 Oct 2024 - 26min - 1902 - Why we are still monitoring the ozone hole
Almost 40 years on from the first reports of the Antarctic ozone hole, and 35 years since the Montreal Protocol to ban CFCs came into effect, what’s going on with the ozone hole? How does it form? How do we measure it? And having solved the CFC problem, why are we still monitoring ozone so closely? Claire Concannon heads to NIWA's Atmospheric Research Station in Lauder, Central Otago, to find out.
Wed, 09 Oct 2024 - 26min - 1901 - Looking after our four-legged friends
We love our four-legged friends. It’s estimated about a third of New Zealand households share their home with at least one dog, and two thirds of dog owners consider their furry friends to be family members. Some dogs work, others keep us company, make us laugh, get us walking twice a day, and shower us with unconditional affection….. But are we looking after all their needs? Claire Concannon speaks with a dog welfare expert about the science behind how we know our dogs love us, and what to do to make sure we are looking after them.
Wed, 02 Oct 2024 - 32min - 1900 - Anxiety and the brain-body connection
We all experience anxiety – when our brains look into the future and imagine bad things happening. It’s normal and has helped keep us alive as a species. But levels of anxiety are rising, particularly in young people, and at the severe end of the spectrum clinical anxiety prevents people from going about their lives. This Mental Health Awareness Week we meet a team of researchers at the University of Otago investigating the brain-body connection in anxiety, and how different potential treatments might help.
Wed, 25 Sep 2024 - 27min - 1899 - The teamwork that solved a life-and-death puzzle
It’s been almost 30 years since a team joined forces to investigate a particularly aggressive form of stomach cancer that was afflicting one Tauranga whānau. Kimi Hauora Health and Research Clinic in Tauranga and University of Otago geneticists together found the cancer-causing genetic change, helping save thousands of lives worldwide. Justine Murray is at Mangatawa Marae with Maybelle McLeod and Erin Gardiner to reflect on that time, and Professor Parry Guilford discusses those first formative years.
Wed, 18 Sep 2024 - 26min - 1898 - Some of the light we cannot see
This week, we’re hanging out in the terahertz area of the light spectrum. Sandwiched between infrared light and microwaves, terahertz has been the long-forgotten cousin of the light family. But no longer! At the Australian Synchrotron, intense and focused beams of terahertz light are used to test new materials for carbon capture, clean energy applications, and the next generation of computing.
Wed, 11 Sep 2024 - 26min - 1897 - The fate of the West Antarctic ice sheet in a warming world
How fast - and how completely - could Antarctica's smaller western ice sheet melt in a warming world? An international science team, led by Aotearoa New Zealand, set out to investigate whether two degrees of warming could already be a tipping point for the frozen continent.
Wed, 07 Feb 2024 - 28min - 1896 - The 'science shed' across the ditch
Electrons! High speeds! Intense beams of light! Claire Concannon takes a tour of our nearest particle accelerator – the Australian Synchrotron in Melbourne. Designed to create high-energy x-ray light useful for science, the synchrotron enables an incredible diversity of research. And, because of long-standing funding support, New Zealand scientists can also use it. Claire finds out what interesting research questions some visiting New Zealanders are shining a light on.
Wed, 04 Sep 2024 - 28min - 1895 - Our Changing World for 22 April 2021
In this week's retrospective, Alison Ballance revisits an ocean acidification special feature called The Acid Test.
Thu, 22 Apr 2021 - 31min - 1893 - Genomics and the future of gene technology in Aotearoa
Advances in the field of genomics (the study of DNA and genomes) have meant big leaps in our ability to sequence, understand and manipulate the genomes of living things. Damian Christie explores research happening now in New Zealand in this area. Plus, with a recent announcement that the government is introducing new legislation, what’s next for the regulation of gene technologies in Aotearoa?
Wed, 28 Aug 2024 - 31min - 1891 - What else can we learn from wastewater
Wastewater testing became part of our daily lives during the Covid-19 pandemic, but what else can it tell us about what’s happening in our communities? From looking for illicit drugs, to monitoring alcohol consumption and health biomarkers, Claire Concannon meets scientists tapping into the rich research potential of what’s in our pee.
Wed, 21 Aug 2024 - 28min - 1890 - Imagining the next generation of robofish
They will look like fish, swim like fish and even sense like fish. Liz Garton meets a research team designing robofish and smart wetsuits to monitor the state of our oceans.
Wed, 14 Aug 2024 - 29min - 1889 - Our musical minds
Making and processing music is something unique to human brains, says Dr Sam Mehr. But why are we so attuned to rhythms, melodies and matching tones? Claire and Sam take a deep dive into the universal language of music, and how our minds make sense of it.
Wed, 07 Aug 2024 - 34min - 1888 - Bonus: Kākāpō update with Dr Andrew Digby
Claire Concannon and Dr Andrew Digby talk about all things kākāpō: that habitat trial and where the birds are now, the next breeding season, and Andrew's hopes for the future of this iconic manu.
Wed, 31 Jul 2024 - 41min - 1887 - A year of mainland kākāpō
In July 2023 four male kākāpō were released into the fenced Sanctuary Mountain Maungatautari - part of a new habitat trial to investigate suitable locations for the growing kākāpō population. But after a further six were introduced, the kākāpō began to wander - beyond the fence. A year on, and several escapes later, what's been learned? And what's next for kākāpō in Maungatautari?
Wed, 31 Jul 2024 - 28min - 1885 - A voyage of deep-sea discoveries
An expedition to the Bounty Trough off the Otago Coast uncovers a treasure trove of deep-sea creatures - including some species new to science. Veronika Meduna meets slimy fish, snails, and tiny shrimp-like critters from the ocean depths.
Wed, 24 Jul 2024 - 32min - 1884 - Turning food waste into wealth
Avocado seed powder to make snacks, fish waste skin for wound healing, and bioactive compounds made from brewer's spent grain - Claire Concannon visits a food lab at AUT turning food waste into wealth.
Wed, 17 Jul 2024 - 25min - 1882 - Looking to the future for a low-lying wetland
Climate-change-induced sea level rise is happening. What will this mean for our low-lying wetlands? Will they get eroded away - releasing more carbon? Or will they grow at the same rate, and hold their ground? And what will this mean for the critters that live there? A team are investigating at an Otago wetland that might be the first in New Zealand to make this change.
Wed, 10 Jul 2024 - 28min - 1880 - The world through squid eyes
We might think deep-sea squid look a bit strange, but if they have the capacity for it, they would likely consider us monsters! Claire speaks to a squidologist and a PhD candidate about their research trying to understand more about the lives of deep-sea squid.
Wed, 03 Jul 2024 - 27min - 1879 - The annual snowline survey
Jump onboard an alpine flight to photograph some glaciers! The annual snowline survey has been running since 1977, but today new techniques are allowing researchers to go beyond 2D photos to make 3D models of the glaciers. Claire Concannon joins the team for a long day of flying and photographing.
Wed, 26 Jun 2024 - 30min - 1878 - Introducing: Turning The Tide
A new six-part video series highlights the state of our oceans, and efforts from researchers, Māori and other partners to develop sustainable solutions.
Mon, 24 Jun 2024 - 00min - 1877 - Targeting bacteria, and health inequities
Māori and Pacific peoples are three to six times more likely to develop stomach cancer than New Zealanders with European ancestry. Claire Concannon visits a research team taking aim at this disparity.
Wed, 19 Jun 2024 - 28min - 1876 - Drones for pest control
Aotearoa is a country plagued by pests, but conservationists are hoping advances in drone technology could turn the tables. Producer William Ray looks at how drones are being trialled in controlling everything from microscopic diseases to elusive wallabies, and wilding pine trees.
Wed, 12 Jun 2024 - 25min - 1875 - Inside Auckland's lava caves
Caves created by rivers of lava underlie New Zealand's biggest city. A new research project is documenting Auckland's lava caves, hoping to protect this hidden geological heritage and understand what future eruptions might have in store.
Wed, 05 Jun 2024 - 26min - 1874 - The race to save Papua New Guinea's frogs
A deadly frog fungus has decimated frog populations around the world, but frog biodiversity hotspot Papua New Guinea remains untouched - for now. In this episode of ABC podcast Pacific Scientific, James Purtill discovers the amphibian treasures of the world's largest tropical island, and what conservationists are doing to protect them.
Wed, 29 May 2024 - 28min - 1873 - How much of our extreme weather is due to climate change?
This week, Phil Vine dives into the science of climate attribution. How much is climate change affecting extreme weather events? And how can this new science prepare us for the future?
Wed, 22 May 2024 - 24min - 1872 - Fungal foray-ing and the search for new antibiotics
Could the answer to one of our most pressing health needs be hiding in Aotearoa's bush? On Our Changing World this week, Liz Garton heads out on a foray to discover some of our fungal gems, and she finds out what we're doing to uncover their potential antibiotic properties.
Wed, 15 May 2024 - 26min - 1871 - Understanding our nearshore island volcanoes - Whakaari and Tūhua
A multi-year research project aims to find out the risks from two Bay of Plenty offshore island volcanoes: Tūhua / Mayor Island and Whakaari / White Island
Wed, 08 May 2024 - 27min - 1870 - The 2023 Prime Minister’s Science Prizes: Communicating volcano science and sampling soils
Meet two winners of the 2023 Prime Ministers Science Prizes. In the wake of the 2019 Whakaari eruption, Professor Ben Kennedy engaged communities with the science of volcano hazards - mahi that earns him the 2023 Science Communication Prize. Meanwhile, Future Scientist prizewinner 17-year-old Sunny Perry has developed a helpful soil map.
Wed, 01 May 2024 - 29min - 1865 - The mystery of how godwits sleep in flight
Kuaka bar-tailed godwits make the longest non-stop flights, and researchers are using hi-tech tags to solve the mystery of how and when they sleep.
Wed, 27 Mar 2024 - 26min - 1854 - Watching the weather in the far southern seas
A group of young New Zealanders and two meteorologists travel to South Georgia Island in the southern Atlantic Ocean to collect weather observations - continuing the scientific legacy of early Antarctic explorers like Shackleton.
Wed, 21 Feb 2024 - 30min - 1853 - New Zealand’s Antipodes Islands – remote, wild, and special
An ambitious project to rid the remote Antipodes Island of introduced mice proved successful in 2018. Claire Concannon visits the spectacular subantarctic island to meet the locals - from penguins to megaherbs - and the people studying the wildlife. Plus, we learn about what's at stake in the next island eradication challenge for New Zealand.
Wed, 14 Feb 2024 - 35min - 1852 - Pollen, asthma and allergies
Allergenic pollen is a big trigger for New Zealand's high rates of hay fever and asthma. But for 35 years, we've had no current data on pollen levels. Until now. Justin Gregory talks to a team who want to change that.
Wed, 31 Jan 2024 - 29min - 1851 - Restoring Wellington’s seaweed forests
Giant kelp is disappearing from Wellington Harbour. Love Rimurimu is aiming to restore lush underwater kelp forests with an ambitious and collaborative replanting effort. Claire Concannon dives in to the wonderful world of seaweeds.
Wed, 24 Jan 2024 - 29min - 1850 - Summer science: AI and medicinal cannabis
In the final instalment of the summer science series, science communication students tackle two controversial topics: medicinal cannabis, and AI consciousness.
Wed, 17 Jan 2024 - 28min - 1849 - Summer science: Hybrid wildlife and mātauranga Māori
Should we intervene to prevent hybridisation between an endangered species and its common relative? In this week's summer science episode, two students from the Department of Science Communication at the University of Otago tell stories of science controversy: the conservation conundrum of hybrids, and the relationship between western science and mātauranga Māori.
Wed, 10 Jan 2024 - 25min - 1848 - Summer science: Seabirds in Auckland
The summer science fun continues with an episode from RNZ podcast Voices. Meet Gaia Dell'Arriccia, a scientist originally from the south of France who studies the seabirds that live around Auckland's coastlines.
Wed, 03 Jan 2024 - 14min - 1847 - Summer science: Kākā in Wellington
Kākā numbers are skyrocketing in Te Whanganui-a-Tara Wellington thanks to conservation efforts. The summer science series continues with a walk through Zealandia to find out why you shouldn't feed these inquisitive parrots.
Wed, 03 Jan 2024 - 12min - 1846 - Summer science: Death rays and radio inventions
The summer science series kicks off with an episode from award-winning podcast Black Sheep, about a backyard inventor called Victor Penny who sparked sensational headlines about death ray inventions in 1935.
Wed, 27 Dec 2023 - 53min - 1845 - The giant dinosaurs of Patagonia… and maybe Aotearoa?
This week on Our Changing World RNZ podcast producer, and occasional dinosaur correspondent William Ray visits Ngā Taniwha o Rūpapa Dinosaurs of Patagonia, a special exhibition at Te Papa Museum to discover the surprising link between the giant dinosaurs of Patagonia, and prehistoric New Zealand.
Wed, 20 Dec 2023 - 28min - 1844 - Underwater slips and slides
Off the coast of New Zealand, deep underwater, the seafloor shifts in landslides and slow-motion earthquakes. Claire Concannon meets two researchers investigating geological phenomena that could pose a tsunami risk to Aotearoa New Zealand.
Wed, 13 Dec 2023 - 29min - 1843 - On alert – the National Geohazard Monitoring Centre
Go behind the scenes at the National Geohazard Monitoring Centre, where a team of analysts are on alert 24/7 for earthquakes, volcanic activity, tsunamis and landslides. What happens when a natural disaster strikes?
Wed, 06 Dec 2023 - 27min - 1842 - Monitoring the Makarora mohua
Mohua are bright yellow forest birds - but despite their eye-catching plumage, they can be tricky to spot flitting high in the forest canopy. Claire Concannon visits the Makarora mohua population, where a team of conservationists and scientists are testing acoustic machine learning to identify individual birds.
Wed, 29 Nov 2023 - 30min - 1841 - A new way to help honey bees
Varroa mite parasites cause major problems for honey bees - and beekeepers. Now, New Zealand researchers are investigating a new type of RNA-based treatment that could make treating varroa mite infestations easier, as well as better for the bees and the environment.
Wed, 22 Nov 2023 - 28min - 1840 - OCW recommends: The Turning PointSun, 19 Nov 2023 - 00min
- 1839 - Plasma rockets in space
Claire Concannon meets GERALDINE, the Gigantic and Extremely Radical Atmosphere-Lacking Device for Interesting and Novel Experimentation. Plus, a team of scientists and engineers designing plasma rocket thrusters for space travel with super-conducting magnets.
Wed, 15 Nov 2023 - 25min - 1838 - Helping to revitalise Moriori culture
A Moriori musician, an ethnomusicologist and the Hokotehi Moriori Trust are part of a team helping to revitalise Moriori culture with 3D-printed replicas of traditional bone flutes from Rēkohu the Chatham Islands. Claire Concannon finds out more about the Moriori, music and manawa project.
Wed, 08 Nov 2023 - 27min - 1837 - Forecasting in changing times
In the last week, Hurricane Otis hit southern Mexico with little warning, and Cyclone Lola set a record for the earliest category five cyclone in the southern hemisphere. Climate change is making work tricky for weather forecasters. What might be in store for our upcoming El Niño summer?
Wed, 01 Nov 2023 - 26min - 1836 - The potential of plankton
Could your burger one day come with a plankton patty? Alison Ballance visits the Cawthron Institute's collection of more than 750 different strains of microalgae, where scientists are investigating these teeny organisms for new food ingredients and powerful painkillers.
Wed, 25 Oct 2023 - 26min - 1835 - Life in the fast and slow lanes of braided rivers
In the ever-shifting streams and channels of a braided river, creatures must adapt to change. Claire Concannon joins a researcher on the spectacular Cass River near Tekapo for a spot of electrofishing and bird counting - part of a project seeking to understand this complex ecosystem and the threats it faces.
Wed, 18 Oct 2023 - 27min - 1834 - Why are penguins so cool?
Giant penguins weighing up to 150 kilograms once roamed the waters around New Zealand. Claire Concannon speaks to a palaeontologist and learns about penguin evolution, extinct species that dwarfed today's emperors, and why Aotearoa is such a great place to study these birds that 'fly' through the water.
Wed, 11 Oct 2023 - 28min - 1833 - Muscles young and old
What happens to our muscles as we age? Claire Concannon finds out why muscles get weaker as we get older, and speaks with a researcher investigating why Olympic athletes live up to three years longer than the general population. Claire also meets a scientist studying what happens to muscles in children with cerebral palsy, seeking clues that could help.
Wed, 04 Oct 2023 - 25min - 1832 - Dotterels: The Southland underdog
The southern New Zealand dotterel is a true underdog of the bird world, with just 126 individuals at last population estimate. Claire Concannon tags along with a team of researchers attaching trackers to the birds. Their mission is to figure out where the dotterels go to breed, so these "plump little tomatoes" can be protected from introduced predators.
Wed, 27 Sep 2023 - 28min - 1831 - The recipe for food pairing
Broccoli and chocolate. Prawns and vanilla. According to food pairing theory, these culinary matches should go together as well as macaroni and cheese, or peanut butter and jam. But do they really? Senior producer Justin Gregory meets two researchers digging into the sensory science of food.
Wed, 20 Sep 2023 - 27min - 1830 - The Great Ireland vs New Zealand Bird-off: Part 2
The Great Ireland vs. New Zealand Bird-off returns for part 2 to decide once and for all which island nation boasts the best birds. Our avian aficionados return to argue their case in front of judge Claire Concannon. Who will fly to victory? Listen to find out - plus learn about the crazy life cycle of the cuckoo and the weird feathers of the kiwi, among many fascinating facts and tales from the world of birds.
Wed, 13 Sep 2023 - 33min - 1829 - The great Ireland vs. New Zealand bird-off: Part 1
Welcome to the great Ireland vs New Zealand bird-off. Two islands, a world apart - but which country has the better birds? Two bird nerds champion their nation's birds across four categories in an avian battle for the ages, with Claire Concannon judging the best of the feathered best. Which country will emerge victorious? Listen to find out.
Wed, 06 Sep 2023 - 32min - 1828 - Retraining the tinnitus brain
We've probably all experienced a little bit of tinnitus, or ringing in the ears, at some stage in our lives. But for some people this phantom sound in their brain can be loud, and permanent, and completely debilitating. Claire Concannon speaks to a group of scientists at the University of Auckland who've been researching ways to help for years, and have developed a digital therapy with promising trial results.
Wed, 30 Aug 2023 - 28min - 1827 - Exercise on the brain
Dr Kate Thomas has exercise on the brain. As an exercise physiologist, she researches how exercise and fasting can change the energy sources our brain uses. And as an ultramarathon runner, she chases that runner's high on gruelling mountain races.
Wed, 23 Aug 2023 - 28min - 1826 - Earthquake engineering meets breast cancer screening
How can swaying buildings help diagnose breast cancer? Katy Gosset meets a team of engineers taking inspiration from earthquake engineering to design a new, cost-effective device to help detect breast cancer. Listen to find out how the device works, and how it could help more women get tested sooner.
Wed, 16 Aug 2023 - 26min - 1825 - Takahē dreamers
This year marks the 75th anniversary of the rediscovery of the takahē. Claire Concannon sits down with former Our Changing World presenter and takahē superfan Alison Ballance to chat about her new book, Takahē: Bird of Dreams. Plus, we replay Alison's 2018 episode marking the 70th anniversary of the momentous rediscovery, and discuss what's happened in takahē conservation since.
Wed, 09 Aug 2023 - 35min - 1824 - The petrel patrol
Every year, tens to hundreds of seabirds fall out of the sky across Auckland city. Disoriented by the bright lights, Cook's petrels crash-land and collide with buildings - but a dedicated group of volunteers hit the pavement to rescue them. Join us on 'Petrel Patrol' and go behind the scenes at a bird hospital, where squid smoothies and bath time help the seabirds find their wings again.
Wed, 02 Aug 2023 - 26min - 1823 - The science of snow
Are all snowflakes really unique? What makes some snow better for skiing? And what's the difference between snow and hail? Join Alison Ballance and Katy Gosset as they hit the slopes of Mt Ruapehu and discover a science wonderland of snow.
Wed, 26 Jul 2023 - 30min - 1822 - Inside the nuclear fusion reactor ITER
Nuclear fusion is a holy grail for researchers seeking clean energy. This week we head to the south of France with ABC science journalist Carl Smith in this episode from the Strange Frontiers series. Here, a multi-billion-dollar collaboration between several countries called ITER is trying to make industrial-scale nuclear fusion a reality.
Wed, 19 Jul 2023 - 28min - 1821 - Our taiao, our tohu - protecting the Waihi estuary
Tauranga-based producer Justine Murray dons some gumboots and meets some teeny-tiny cockles as she joins a team surveying the Waihi estuary. Professor Kura Paul-Burke is weaving mātauranga Māori and western science together to address questions that local iwi have about the health of the estuary, and what can be done to improve it.
Wed, 12 Jul 2023 - 29min - 1820 - The puzzle of the silent mind
Have you ever had a catchy tune you just can't get out of your head? Most of us can imagine sounds - music, voices, environmental noise - to varying degrees. But about 1% of people can't imagine sounds at all. This lack of auditory imagery is called anauralia. Claire Concannon meets a team of researchers investigating this newly described phenomenon, and speaks to a musician who experiences anauralia.
Wed, 05 Jul 2023 - 33min - 1819 - Neurogenetic conditions in Aotearoa
In September 2022, two New Zealand patients became the first in the world to participate in a phase 1 clinical trial testing a new therapy for a rare neurogenetic condition called myotonic dystrophy. Claire Concannon learns about the trial, and how a new Neurogenetic Registry and Biobank covering 70 conditions is helping to connect New Zealand patients with international research.
Wed, 28 Jun 2023 - 26min - 1818 - Blinded by the light
Here in Aotearoa, it's the winter solstice: the shortest day (and longest night) of the year. We're marking the occasion with an episode celebrating the starry night sky. Podcaster Max Balloch looks up in search of stories told through constellations, and finds that light pollution is smudging out the stars for many New Zealanders. What can be done to restore our connection with the night sky?
Wed, 21 Jun 2023 - 26min - 1817 - Hunting for meteorites
Claire Concannon joins a meteorite hunt on the South Island's West Coast and learns what these rocks from space can tell us about the early formation of our solar system.
Wed, 02 Feb 2022 - 30min - 1816 - Positive emotions in animals
Rats giggle. Dogs wag their tail. How do other animals express joy? You can't ask them, so researchers have to find other sneaky ways of figuring out animal emotions. Professor Ximena Nelson is studying how curious and intelligent kea, New Zealand's alpine parrots, might show positive feeling.
Wed, 14 Jun 2023 - 29min - 1815 - Digital twins and beating hearts
There's nothing like a good birthday party, especially one filled with games and fun activities. The Auckland Bioengineering Institute might have missed their 20th birthday due to Covid-19, but they were determined to throw a good ole shindig. Claire Concannon visits to find out what they've been up to for the past 20 years, and what the plan is for the next two decades.
Wed, 07 Jun 2023 - 27min - 1814 - Battling weeds with biocontrol
In Aotearoa we talk a lot about mammalian predators attacking our native wildlife, but other insidious pests are quietly taking over - weedy plants. Tackling these weeds using chemical and mechanical means only gets us so far, so researchers and conservationists also look towards the plants' natural enemies to help. Claire Concannon visits a group of Manaaki Whenua - Landcare Research scientists investigating biocontrol agents to assist in the fight.
Wed, 31 May 2023 - 31min - 1813 - The complexities of soil
This week we're digging up the dirt on the surprising complexity of soil. From top-notch compost to dung beetles to kauri dieback, join us on a fascinating tour of the world beneath our feet with presenters at the Wild Dunedin Festival of Nature.
Wed, 24 May 2023 - 29min - 1812 - Freshwater friends at Zealandia
Claire Concannon meets the latest addition to the Zealandia ecosanctuary family - toitoi, or common bully. Zealandia CEO Dr Danielle Shanahan explains why these little fish will be an important part of the freshwater ecosystem, and what their ambitious 100 year plans are to restore the mouri or lifeforce of the entire Kaiwharawhara catchment.
Wed, 17 May 2023 - 27min - 1811 - Head knocks in junior rugby
What are the risks of head injury for players of contact sports such as rugby? Research is increasingly linking head knocks with neurodegenerative diseases later in life. Claire Concannon meets a research team analysing every rugby training session and match across an entire season with high-tech mouthguards.
Wed, 10 May 2023 - 28min - 1810 - Special edition: Prime Minister's Science Prizes 2022
Meet the winners of the 2022 Prime Minister's Science Prizes! We go behind the scenes with the Emerging Scientist, Science Teacher and Future Scientist winners to learn about cutting-edge research, inspiring teaching and intriguing mahi worthy of these prestigious awards.
Mon, 01 May 2023 - 35min - 1809 - Blooming cyclones
Tropical cyclones can cause rampant destruction, but sometimes, these wild weather systems can seed life at sea too. This week we meet a storm-chasing researcher in search of phytoplankton blooms like one that formed in the wake of 2019 Cyclone Oma.
Wed, 26 Apr 2023 - 30min - 1808 - Seeds of hope for seagrass meadows
Grab your gumboots! Alison Ballance squelches out into Nelson's mudflats with a team of Cawthron Institute researchers in search of cryptic seagrass flowers and their seeds. Collecting the seeds is step one in an ambitious project to restore Aotearoa's ailing seagrass meadows.
Wed, 19 Apr 2023 - 30min - 1807 - Kiwi return to the wilds of Wellington
The birds are back. After a long absence, 11 kiwi have returned to the outskirts of Wellington with a little help from some human friends. Veronika Meduna heads into the field to see how the work of the Capital Kiwi Project is paying off.
Wed, 12 Apr 2023 - 28min - 1806 - The unwelcome visitors
The Rotopiko peat wetlands are a haven for rare and threatened wildlife. But when a flock of introduced birds numbering in the hundreds of thousands moves in - threatening the very nature of this special place - a group of people come up with some crazy-but-genius ideas to protect the wetlands and wildlife. Claire Concannon investigates.
Wed, 05 Apr 2023 - 27min - 1805 - What will happen to alpine plants in a warming world?
As mountains get warmer with our changing climate, what will happen to the iconic alpine plants that live at high altitude? Claire Concannon visits the moonscape slopes of Mt Ruapehu with a team of researchers using an experimental set-up that's part-greenhouse, part-UFO.
Wed, 29 Mar 2023 - 30min - 1804 - The Noises Islands: Part 2
This week, Claire Concannon returns to the Noises Islands in the Hauraki Gulf. While conservation action on the islands has led to thriving terrestrial ecosystems, under the water, it's a very different story. Listen to learn how the marine environment has declined around the Noises, and what might be done to reverse it.
Wed, 22 Mar 2023 - 29min - 1803 - The Noises Islands: Part 1
The Noises are a conservation success story in the Hauraki Gulf. Claire Concannon joins a team surveying the wētāpunga, seabirds, and other flora and fauna that now thrive on these predator-free islands.
Wed, 15 Mar 2023 - 29min - 1802 - Sleeping on the job
We all get some - but are you getting enough? Claire Concannon investigates the science of sleep and meets a pilot-turned-sleep-researcher helping the aviation industry ensure crew on long-haul flights get some shut-eye.
Wed, 08 Mar 2023 - 30min - 1801 - Bats vs cats
New Zealand's native long-tailed bat, pekapeka-tou-roa, is going strong in Franklin, south of Auckland. But these tiny mammals are threatened by introduced predators, especially cats. Producer Liz Garton goes on a bat hunt and learns about locals' efforts to keep their pekapeka neighbours safe.
Wed, 01 Mar 2023 - 32min - 1800 - When plans change
Not everything goes to plan on research trips. And when the trip is to a remote island aboard a navy ship designed to help with disaster relief, and happens to overlap with one of the worst weather disasters in New Zealand... well, things are going to change. Claire Concannon tells the story of Operation Endurance 2023 on Campbell Island.
Wed, 22 Feb 2023 - 29min - 1799 - A pair of tyrants
This week we're travelling back in time 66 million years ago with producer William Ray, to a time when dinosaurs roamed. Join William as he meets two Tyrannosaurus rex fossils at the Auckland Museum and uncovers the story behind the bones.
Wed, 15 Feb 2023 - 26min - 1798 - The sex life of spiders
They can hunt, they can fish, they build little nurseries for their babies. Oh and some of them also engage in a bit of sexual cannibalism. Claire Concannon goes on a nighttime stroll in Kirikiriroa Hamilton to meet some fascinating spiders, and learn all about the weird world of spider reproduction.
Wed, 08 Feb 2023 - 31min - 1797 - Bonus: Bug of the Year 2023 causing lab tension
With the Bug of the Year 2023 competition coming to the closing stages, it's not surprising that things are getting heated. In this breaking news story we learn how voting preferences have caused a rift in the Painting lab.
Wed, 08 Feb 2023 - 07min - 1796 - The secret life of sea sponges
What do marine biologists get up to? Some Evans Bay Intermediate school students are learning all about it at the Victoria University Coastal Ecology Lab. Claire Concannon tags along to listen in, and to catch up with Professor James Bell to learn more about his research on sea sponges.
Wed, 01 Feb 2023 - 27min - 1795 - Green data storage, green walls
Claire Concannon investigates how luminescence and specialised materials could be key to our growing data storage needs, and visits a test site for native vertical gardens that could cloak the walls of Wellington's city buildings.
Wed, 25 Jan 2023 - 29min - 1794 - Summer science: Two stories from the ocean
In the final instalment of our summer science series, we bring you two stories from the ocean. First we have a story on marine noise pollution from Victoria University of Wellington Centre for Science in Society student, Xanthe Smith. Then, we have an episode on pāua from RNZ podcast Voices, presented by Kadambari Raghukumar.
Wed, 18 Jan 2023 - 27min - 1793 - Summer science: Rabbits and other pests
We continue our summer science series with an episode from RNZ's The Aotearoa History Show. In the first episode of season two, the show burrows into the story of rabbits and other pests introduced to New Zealand.
Wed, 11 Jan 2023 - 28min - 1792 - Summer science: The hunt for New Zealand's tenth meteorite
As part of our summer science series we bring you an episode of The Otago Chronicles podcast, hosted by Max Balloch. In this episode, Max talks to Associate Professor James Scott from the University of Otago Department of Geology about looking up at the night sky and the hunt for what would've been New Zealand's 10th meteorite.
Wed, 04 Jan 2023 - 14min - 1791 - Summer science: Two stories about genetics
Two stories about genetics produced by students at the University of Otago's Department of Science Communication. Amanda Konyn investigates whether gene editing has a role in future pest control, while Richard Marks explores why the "eat less, move more" approach to weight loss isn't really working.
Wed, 21 Dec 2022 - 28min - 1790 - An eye in the sky to detect methane emissions
MethaneSAT is the first New Zealand government funded space mission. A joint project between the United States' Environmental Defense Fund and New Zealand, the project will see a methane sensing satellite launched into orbit. Science journalist Peter Griffin finds out why and how.
Wed, 14 Dec 2022 - 27min - 1789 - Conservation successes in the Cook Islands
The kākerōri or Rarotongan flycatcher is a South Pacific conservation success story. Once reduced to just 29 birds, it has been rescued from the brink of extinction by a rat control programme managed by the land-owners of the Takitumu Conservation Area in the Cook Islands. Alison Ballance visits to find out more.
Wed, 07 Dec 2022 - 24min - 1788 - Planning for Aotearoa's genomic medicine future
If the future of healthcare is personalised genomics, how can we ensure that it is used to lessen inequities, rather than strengthen them? This week, Our Changing World speaks to two of the co-leaders of the Rakieora programme - a pilot to develop a New Zealand-specific national database for genomic research.
Wed, 30 Nov 2022 - 28min - 1787 - Genome sequencing and the pandemic
Genome sequencing has become a household term during this pandemic. This week, we explore how it became an important tool in the fight against Covid-19.
Wed, 23 Nov 2022 - 27min
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