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Recent items from Our Changing World
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Turning the tide – what it takes to take out rats
5:00 AM.Kate Evans visits a passionate team as they carpet a remote volcanic island in Tonga with poisoned bait, hoping to eradicate rats. What does it take to complete this kind of project, what are the… Read more Audio
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Summer 34 – Three decades of albatross research
5:00 AM.Journalist Rebekah White meets two people who have been counting albatrosses on remote islands in the subantarctic for more than three decades. Their research shows that at least one species is en… Read more Video, Audio
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Taking on water - marine protection in Aotearoa
5:00 AM.New Zealand once led the world in marine protection. Now it looks like we will fail to meet our international promise to protect 30 percent of our ocean estate by 2030. Why is stopping fishing so… Read more Audio
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A tale of two islands – erect-crested penguins
5:00 AM.The Bounty Islands are tiny in terms of area – just some bits of granite jutting out of the ocean. But they are huge in terms of seabirds. James Frankham joins a team researching the erect-crested… Read more Audio
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The mystery of how godwits sleep in flight
5:00 AM.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. Read more Audio
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The stuff of life - Carbon capture in our ocean ecosystems
5:00 AM.What roles do our ocean ecosystems play in capturing carbon? Kate Evans speaks to iwi Māori working to improve the health of an estuary in the Bay of Plenty, and to scientists studying the fiords of… Read more Audio
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Fish out of water - How to grow fish on land
5:00 AM.People and livestock gobble so much fish that the seas soon won’t keep up. Is the answer to grow fish on land? Kate Evans meets scientists figuring out the puzzles of how to farm some of New Zealand’s… Read more Audio
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Kina-nomics - The kina are taking over, what can we do?
5:00 AM.Kina numbers are exploding on some of our reefs, decimating seaweed habitats. Could this problem be solved by eating them? Kate Evans investigates the potential of kina-nomics. Read more Audio
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The undersea orchestra - Ocean sounds and what they tell us
5:00 AM.Crackle, pop, woof, crunch, click. In the ocean, an undersea orchestra is in full swing. Journalist Kate Evans discovers who’s playing in it and why, and what happens when human noise drowns out this… Read more Audio
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Watching the weather in the far southern seas
5:00 AM.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… Read more Audio
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New Zealand’s Antipodes Islands – remote, wild, and special
5:00 AM.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… Read more Audio
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The fate of the West Antarctic ice sheet in a warming world
5:00 AM.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… Read more Audio
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Pollen, asthma and allergies
5:00 AM.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… Read more Audio
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Restoring Wellington’s seaweed forests
5:00 AM.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… Read more Audio
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Summer science: AI and medicinal cannabis
5:00 AM.In the final instalment of the summer science series, science communication students tackle two controversial topics: medicinal cannabis, and AI consciousness. Read more Audio
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Summer science: Hybrid wildlife and mātauranga Māori
5:00 AM.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… Read more Audio
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Summer science: Seabirds in Auckland
5:00 AM.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… Read more Audio
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Summer science: Kākā in Wellington
5:00 AM.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… Read more Audio
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Summer science: Death rays and radio inventions
5:00 AM.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… Read more Audio
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The giant dinosaurs of Patagonia… and maybe Aotearoa?
5:00 AM.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… Read more Video, Audio
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Underwater slips and slides
5:00 AM.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… Read more Audio
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On alert – the National Geohazard Monitoring Centre
5:00 AM.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… Read more Audio
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Monitoring the Makarora mohua
5:00 AM.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… Read more Audio
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A new way to help honey bees
5:00 AM.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… Read more Audio
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OCW recommends: The Turning Point
5:00 AM.New video series: A turning point in the fight to preserve Aotearoa's natural environment. Read more Audio