News
Honey fingerprints and plant powers
Claire learns about honey fingerprinting while Katy Gosset meets a scientist studying the anti-microbial properties of some native plants.
AudioTuning in to nature
The story of titipounamu, New Zealand's smallest bird, on Otago Peninsula, told by Karthic SS, a wildlife film maker and podcast producer based in Dunedin.
AudioOur Changing World's best moments of 2021
Our Changing World presenter Claire Concannon looks back at the programme's most listened to podcasts of the year.
Unwelcome visitors
How to deal with unwelcome visitors. Katy Gosset learns about a native fungus that might help in the battle against wilding pines. And two national research programmes combine on an expedition to…
AudioUsing chemistry to uncover the past
Chemical isotope analysis is a powerful technique - Dr. Charlotte King explains to Claire how she uses it to reconstruct past lives of forgotten people from the Otago gold rush.
AudioKeeping an eye on river flow
Two stories on keeping an eye on river flow - helping fish to migrate back upstream, and development of a national river flow forecasting tool.
AudioListening to the hum of the Alpine Fault
A team of scientists are installing an array of seismic sensors along the South Island's Alpine Fault. Claire Concannon joins them to find out how and why.
Video, Audio100 years of radio and the spectrum of light
On the 100th anniversary of radio in Aotearoa, Claire Concannon learns about the very first broadcast, explores how radio works, and finds out about current research into communicating using light.
AudioUsing bioengineering to enhance healthcare
Stories about the potential of bioengineering to transform health care. A new tracheostomy kit design that has halved the time for emergency operations and 3D bioprinting of tissues to help healing.
AudioBrain stories - Parkinsons disease & perceiving masked emotions
Claire Concannon learns about experiments aimed at slowing Parkinson's Disease progression. Sonia Yee explores research into our perception of emotions in a mask-filled world.
AudioThe kaka's return
The return of South Island kākā to the the Ōtepoti Dunedin area has been a bit of a rollercoaster ride. Claire Concannon hears about the tragedies and the triumphs, and the plans for what comes next.
… AudioWading into mangrove research
Native mangroves in Aotearoa are expanding, putting them in conflict with some local communities & councils. A wade into the research about the value of mangroves & how they are managed.
AudioCaring for the forest
Katy Gosset finds out how researchers investigate the plant penetration powers of myrtle rust. Claire Concannon speaks with the caretaker of a tropical forest and hundreds of butterflies.
AudioA new way to make vaccines
This week, how information flows in the cell from DNA to proteins, and how scientists have tapped into this to enable a new way to make vaccines using messenger RNA.
AudioMind Games
How do you get in the zone to achieve your very best in an activity? And does a cheering crowd help? This week, two stories about the psychology of performance - the advantages of being at home, and…
AudioRunning low on energy
Researchers from the University of Waikato talk about Relative Energy Deficiency in Sport (RED-S) – a condition in which athletes don't take in the right amount of calories to do the exercise they are…
AudioThe spectrum of research
Scientific research can be thought as on a spectrum from blue sky to applied - this week, two stories that span this. Claire Concannon learns about a blue-sky research project on bacterial evolution…
AudioBreaking down bird song
On this week's Our Changing World – how songbirds learn their song, and how researchers in the Southern Hemisphere are trying to correct a long-standing male bias in the songbird world.
AudioCrafty Mathematics
Mathematical equations can help us get new perspectives, but sometimes can be difficult to understand. This week, one story about how maths has helped the understanding of a enigmatic quirk of heart…
AudioDesigning a pressure sensor for the brain
Researchers at the Auckland Bioengineering Institute are working on what they hope will be the first New Zealand designed Class 3 medical device - a pressure sensor for the brain, to help people with…
AudioConservation communities
Two stories of Aotearoa New Zealand conservation communities who are caring for the flora and fauna in their backyards. Claire learns about the Catlins Bats on the Map project while Katy learns about…
AudioWhen disease research gets personal
Claire Concannon meets a group of researchers who are determined to do the best science they can, to try to help the people they love.
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The winding paths of science
Two stories about science pathways - Katy Gosset heads to the University of Canterbury STEM careers fair to find out what the future might be for science students, while Claire Concannon learns about…
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