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Science

Our Changing World

by RNZ
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Latest episodes

  • Black robin: From the brink to Bird of the Year

    October 5, 2026 · 27 min

    In September, the Chatham Island black robin was crowned Bird of the Year 2026. This small, round and feisty manu has a remarkable comeback story, from just five birds in 1979 to about 400 today. They are found on just two predator-free…

  • The science quest for a green ammonia catalyst

    September 28, 2026 · 26 min

    Over a hundred years ago Fritz Haber and Carl Bosch discovered a way to produce ammonia that revolutionised farming. It changed the world. But today this way of making ammonia uses between 1-2% of the world's global energy, and produces…

  • Searching sand dunes for lizards

    September 21, 2026 · 26 min

    Over 80% of our coastal dune ecosystems have been lost. So, what about the native species living with them? Ayana Piper-Healion steps into Bream Bay’s sand dunes with a monitoring team to see what lizards can tell us about the health of…

  • Ireland's experience of H5/N1 bird flu: A conversation with Niall Hatch

    September 14, 2026 · 20 min

    Highly pathogenic H5/N1 bird flu strain has been detected in New Zealand, but it's still early days. There are lots of unknowns about when it will start spreading here, and how our wildlife will react to the virus. But what has happened in…

  • H5/N1 bird flu is here, what does this mean for our wildlife?

    September 14, 2026 · 30 min

    After years of watching it move closer, the highly pathogenic H5/N1 strain of bird flu has arrived on our shores. It has left a trail of devastation, causing mass mortality events in many birds and mammal species. What do we know about…

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  • OCW Recommends: All in Her Head

    September 7, 2026 · 48 min

    Our Changing World listeners might like to check out All In Her Head, a podcast by investigative journalist Anusha Bradley exploring a complex medical syndrome, and the grey areas where medicine, belief and scientific evidence collide. See…

  • Should we de-extinct the moa?

    August 31, 2026 · 31 min

    Our Changing World takes a deep dive into controversial plans by US company Colossal Biosciences, backed by filmmaker Peter Jackson, to de-extinct the Moa. In part two of a two-part series, Sharon Brettkelly looks at whether it SHOULD be…

  • Could we de-extinct the moa?

    August 31, 2026 · 27 min

    Our Changing World takes a deep dive into controversial plans by US company Colossal Biosciences, backed by filmmaker Peter Jackson, to de-extinct the Moa. In part one of a two-part series, Sharon Brettkelly looks at whether it CAN be…

  • Cold water swimming: panacea or peril?

    August 24, 2026 · 27 min

    Cold plunges and cold water swimming are increasingly popular, with big benefit claims being made on social media. But is submerging yourself in frigid water actually good for you? Claire Concannon joins a team of researchers at the 2026…

  • A precious piece of sediment, and what it says about our future

    August 17, 2026 · 31 min

    After years of preparation and effort an international team have succeeded in recovering over 200 metres of sediment from below the West Antarctic Ice Sheet. Claire Concannon visits the sediment core analysis team in Dunedin to find out…

  • Solar on the go and feeding the world in a catastrophe

    August 10, 2026 · 27 min

    There’s a lot of chat about solar panels for our rooftops, but where else might it make sense to put them? Claire Concannon visits the University of Canterbury’s Electric Power Engineering Centre to learn about their involvement in a big…

  • High powered magnets, and making steel with hydrogen

    August 3, 2026 · 26 min

    At the Robinson Research Institute in Wellington, researchers are developing powerful superconducting magnets for space, fusion and MRI applications. Claire Concannon visits the labs to learn about a small magnet’s trip to the…

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About the show

Dr Claire Concannon follows scientists into the bush, over rivers, back to their labs and many places in-between to cover the most fascinating research being done in Aotearoa New Zealand.