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265 episodes

01 | The Challenger Legacy: Launch Fever
20/1/2026 | 26 mins.
It's the morning of January 28th, 1986. On board the space shuttle Challenger are seven astronauts, including teacher Christa McAuliffe.
She is set to be the first ever teacher in space. But Christa never makes it to orbit.
In the wake of an unprecedented disaster, questions start to be asked.
Should this mission have been launched in the first place?
To hear more podcast episodes from hosts Fiona Pepper and Dr Karl Kruszelnicki about the legacy the 1986 Challenger space shuttle disaster left on culture, space exploration and high-risk decision making, search ‘Science Friction: The Challenger Legacy podcast’ from Radio National (RN) on the ABC Listen App (Australia), or wherever you get your podcasts.
Guests:
John TribeRetired shuttle engineer
Steve NesbittFormer NASA public affairs officer
June Scobee RodgersWidow of Challenger commander Dick Scobee
Adam HigginbothamAuthor, Challenger: A True Story of Heroism and Disaster on the Edge of Space
Credits:
Presenters: Fiona Pepper and Karl Kruszelnicki
Reporter: Fiona Pepper
Senior Producer: James Bullen
Series Producer: Jonathan Webb
Executive Producer: Petria Ladgrove
Sound Engineer: Tim Jenkins
Archives Research: Lisa Chidlow, Michael Osmond
This story was made on the lands of the Gadigal and Menang Noongar peoples.
INTRODUCING — The Challenger Legacy
11/1/2026
Forty years ago this January, the Space Shuttle Challenger disintegrated on its way into orbit. All seven astronauts on board were killed.
In the days after the tragedy, the world wanted answers. What really caused the shuttle to explode? And should the launch have been stopped altogether?
For season five of Science Friction, Dr Karl Kruszelnicki and Fiona Pepper investigate how the Challenger disaster unfolded – and what that has meant for space exploration from 1986 to now.
The Challenger Legacy is a five-part series from Science Friction. Episode 1 is out Wednesday 21st January.
05 | Artificial Evolution: Gene-Edited Babies
07/10/2025
In 2018, a Chinese scientist made an announcement that shocked the world — and landed him years in prison.
In a special episode of Artificial Evolution, Health Report reporter Shelby Traynor traces the story of He Jiankui, the researcher who helped to produce genetically edited babies.
His actions invited condemnation from scientists worldwide and opened new fronts of scientific and ethical debate.
Thank you to the Children's Hospital of Philadelphia for supplying the baby KJ audio, and Genepool Productions for supplying the citizen's jury audio used in this episode.
You can hear more episodes of Science Friction with journalist Peter de Kruijff about DNA, cloning, genetic modification and gene editing on the ABC listen app (Australia) or wherever you get your podcasts.
Reporter: Shelby Traynor
Presenter: Peter de Kruijff
Producers: Shelby Traynor, Fiona Pepper
Senior Producer: James Bullen
Sound Engineer: Roi Huberman
This story was made on the lands of the Gadigal, Whadjuk Noongar and Menang Noongar peoples.
A story of hope: How Jane Goodall changed the world
01/10/2025
Dr Jane Goodall, a pioneer of ground-breaking chimpanzee field research, has died at the age of 91.
Her early work, published in 1963, transformed our understanding of the social and emotional lives of chimpanzees and encouraged a wave of study into primate behaviour.
She later established the Jane Goodall Institute, now one of the world's largest conservation organisations.
In 2022, Natasha Mitchell interviewed Dr Goodall for Science Friction about her life and work.
This episode of Science Friction first aired in May 2022.
04 | Artificial Evolution: Pig Parts for People?
23/9/2025 | 26 mins.
Timothy Andrews has lived with a pig kidney in his body for eight months.
That makes him a record breaker — living longer with a gene-edited pig kidney than anyone else in the world so far.
In the final episode of Artificial Evolution, he tells us about his journey, his hopes for making it a year with the transplant, and the challenges he's faced along the way.
With expanded clinical trials into this 'xenotransplantation' around the corner, researchers and advocacy groups argue a future in which animal organs are used in life-saving transplantation procedures for humans is not far off.
So what is the science and history of xenotransplantation? What are the ethical concerns? And what's happening in Australia?
You can hear more episodes of Science Friction with journalist Peter de Kruijff about DNA, cloning, genetic modification and gene editing on the ABC listen app (Australia) or wherever you get your podcasts.
Guests:
Timothy AndrewsNew Hampshire, United States
Professor Wayne HawthorneProfessor of Transplantation, Westmead Hospital
Professor Dominique MartinProfessor of Health Ethics and Professionalism, Deakin University
Professor Syd JohnsonProfessor of Bioethics, Upstate Medical University, Syracuse, New York
Credits:
Presenter: Peter de Kruijff
Producer: Fiona Pepper
Senior Producer: James Bullen
Sound Engineer: Tim Symonds
Archives Researcher: Lisa Chidlow
This story was made on the lands of the Gadigal, Whadjuk Noongar and Menang Noongar peoples.

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About Science Friction

Science Friction's latest season is: The Challenger Legacy. In January 1986, the Challenger space shuttle disintegrated 73 seconds after lift-off. This is the story of how the tragedy unfolded, the engineers who tried to stop it — and the enduring consequences for humanity's exploration of space. Artificial Evolution (Season 4): Three decades ago, Dolly the Sheep became the first ever cloned mammal. Nearly 30 years later, genetic technology has reshaped the world around us. Environment reporter Peter de Kruijff explores what's changed, where we are headed, and whether we're okay with it. Brain Rot (Season 3): How does being chronically online affect our brains? Technology reporter Ange Lavoipierre explores the wildest ways people are using tech — from falling in love with AI companions to data-dumping a life into a language model — and the big questions about our own screen use. Cooked (Season 2): Why do some studies show ice cream is good for you? Why do some people say they feel good going carnivore, and do we really need as many electrolytes as the internet tells us? Food and nutrition scientist Dr Emma Beckett cuts through these confusing findings to explain how nutrition science works. AI Overlords (Season 1): AI didn't come from nowhere, and its development hasn't been a smooth, straight line — it's been rife with drama, conflict and disagreement. Technology reporter James Purtill looks at where AI came from, who controls it and where it's heading.

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