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    Science

    Science Friction

    From mystery illnesses to flesh-eating bacteria and the looming threat of bird flu — outbreaks can push scientists, communities and health systems to their limits. 

    For Science Friction on ABC Radio National, Belinda Smith looks back on some of the disease outbreaks that shaped Australia.

    Hear about the scientists racing to find answers, the unusual diseases they’re hunting, and the everyday people caught in the middle.

    Outbreaks is a four-part series from Science Friction on ABC Radio National. Episode 1 is out Wednesday October 14th.

    Dead and Alive (Season 7)
     
    Quantum computers could be the next giant leap in technology — transforming how we heal people, how we grow food, how we get around our cities. So how close are we to the quantum future we’ve been promised? Science reporter Jacinta Bowler unpacks how the weird world of quantum physics could change everything.

    Artemis Explained (Season 6)
     
    In humanity’s next giant leap, astronauts are heading back to the Moon for the first time in more than 50 years. We track the Artemis II mission in real time, from lift-off to splashdown, and answer your questions about life as an astronaut, the science of spaceflight, and plans to venture beyond the Moon.

    The Challenger Legacy (Season 5)
     
    In January 1986, the Challenger space shuttle disintegrated 73 seconds after lift-off. Science reporter Fiona Pepper and Dr Karl Kruszelnicki bring you 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.

    Advertise

    Copyright: © Copyright 2023, Australian Broadcasting Corporation. All right reserved.

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    Latest Episodes:
    05 | Cooked: Electrolytes — who needs them? Feb 26, 2025
    Show notes

    Over the past few years, you might have heard advertisements in your podcast feed or on social media for electrolyte supplements.

    If you haven’t seen them, they’re basically these little sachets or tubs that get mixed in with water as a drink.

    News media reports demand for such products is exploding – with the market for electrolyte supplements set to grow to 112 billion dollars by 2030, more than doubling in size in less than a decade.

    They go by a bunch of different names … and their marketing often suggests we could all use more electrolytes in our life.

    But what’s the science on this swing towards salty beverages? Who actually needs them? And what does our obsession with optimised hydration … say about us?

    Guests:

    Dr Alan McCubbin

    Senior Teaching Fellow, Department of Nutrition Dietetics and Food, Monash University; Accredited Sports Dietitian

    Dr Colleen Derkatch

    Professor of Rhetoric, English Department, Toronto Metropolitan University; Author, Why Wellness Sells

    Jay Clark

    Athlete and fitness coach

    Dan Newton

    Athlete and fitness coach

    Credits:

    • Presenter: Dr Emma Beckett
    • Producer: Carl Smith
    • Senior Producer: James Bullen
    • Sound Engineer: Tim Jenkins

    This story was made on the lands of the Gadigal, Wurundjeri, Jagera and Turrbal peoples.

    More information:

    Modelling sodium requirements of athletes across a variety of exercise scenarios – Identifying when to test and target, or season to taste - European Journal of Sport Science, 2022.

    The Impact of Dietary Sodium Intake on Sweat Sodium Concentration in Response to Endurance Exercise: A Systematic Review - International Journal of Sports Science, 2018.

    Impact of Sodium Ingestion During Exercise on Endurance Performance: A Systematic Review - International Journal of Sports Science, 2018.

    Sodium Intake Beliefs, Information Sources, and Intended Practices of Endurance Athletes Before and During Exercise - International Journal of Sport Nutrition and Exercise Metabolism, 2018.

    Sports Dietitians Australia Position Statement: Nutrition for Exercise in Hot Environments.

    Why Wellness Sells - Hopkins Press, 2022.

    Exercise - the low down on hydration - Better Health.

    The electrolytes boom: a wonder supplement – or an unnecessary expense? The Guardian, 2024.

    No, you don't need daily electrolyte supplements - Axios, 2023.


    04 | Cooked: A peculiar potato experiment Feb 19, 2025
    Show notes

    Why did a group of anonymous strangers on the internet try to eat almost nothing but potatoes for a month?

    On Cooked this week, an unusual experiment and the possibilities and perils of a mono-diet.

    Guests:

    Andrew Taylor

    Melbourne, Australia

    Slime Mold Time Mold

    Scientist collective

    Dr Jess Danaher

    Associate Dean, RMIT University; Nutrition Scientist and Dietitian

    Credits:

    • Reporter: Alistair Kitchen
    • Presenter: Dr Emma Beckett
    • Producer: Carl Smith
    • Senior Producer: James Bullen
    • Sound Engineer: Angie Grant

    This story was made on the lands of the Gadigal, Wurundjeri, Jagera and Turrbal peoples.

    More information:

    Weight Loss and Fad Diets - Better Health ChannelThe Potato People - Kitchen CounterSMTM Potato Diet Community TrialSMTM Potato Diet Community Trial: 6 Month Followup

    03 | Cooked: Mystery in the Mediterranean Feb 12, 2025
    Show notes

    It was one of the world's biggest nutrition trials. A study of thousands of people which found that following a Mediterranean diet could meaningfully reduce someone's risk of heart disease and stroke.

    But as data detectives began to comb through the results of the trial, something wasn't quite adding up.

    On Cooked this week, we're taking a look at what can go wrong when implementing a nutrition science trial at scale ... and what it means for one of the world's most popular diets.

    Guests:

    Dr John Carlisle

    Anaesthetist, NHS, United Kingdom

    Dr Gideon Meyerowitz-Katz

    Epidemiologist, University of Wollongong

    Dr Evangeline Mantzioris

    Program Director, Nutrition and Food Sciences, University of South Australia

    Credits:

    • Presenter: Dr Emma Beckett
    • Producer: Carl Smith
    • Senior Producer: James Bullen
    • Sound Engineer: Angie Grant

    This story was made on the lands of the Gadigal, Wurundjeri, Jagera and Turrbal peoples.

    More information:

    The analysis of 168 randomised controlled trials to test data integrity - Anaesthesia, 2012.

    Primary Prevention of Cardiovascular Disease with a Mediterranean Diet - New England Journal of Medicine, 2013.

    Data fabrication and other reasons for non-random sampling in 5087 randomised, controlled trials in anaesthetic and general medical journals - Anaesthesia, 2017.

    Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts - New England Journal of Medicine, 2018.

    Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease - Cochrane Database of Systematic Reviews, 2019.

    Translation of a Mediterranean-Style Diet into the Australian Dietary Guidelines: A Nutritional, Ecological and Environmental Perspective - Nutrients, 2019.

    Adherence to a Mediterranean Diet is associated with physical and cognitive health: a cross-sectional analysis of community-dwelling older Australians - Frontiers in Public Health, 2022.

    In conversation with John Carlisle: the silent hero shaping medical publication integrity - ENT and Audiology News, 2024.

    That Huge Mediterranean Diet Study Was Flawed. But Was It Wrong? - NYT, 2018.

    Errors Trigger Retraction Of Study On Mediterranean Diet's Heart Benefits - NPR, 2018.

    How the Biggest Fabricator in Science Got Caught - Nautilus, 2015.

    Statistical vigilantes: the war on scientific fraud - The Guardian, Science Weekly Podcast, 2017.


    02 | Cooked: All-meat eaters say they feel great - but why? Feb 05, 2025
    Show notes

    Diets like carnivore have been popping up all over the place. People who go carnivore aim to eat nothing but a select few animal products, like meat and eggs.

    So why are some people turning to an all-meat diet? And why do they say they feel good doing so?

    On this episode of Cooked, we sift through some of the counterintuitive findings around carnivore — the scientific pitfalls you need to be aware of when reading the research — and the health effects in the short and long term.

    Guests:

    Mick and JennyNew South Wales, Australia

    Dr Jacob MeyAssistant Professor and Registered Dietitian, Pennington Biomedical Research Center, Louisiana

    Dr Richie KirwanLecturer, Nutrition and Exercise Physiology, Liverpool John Moores University

    Dr Janet ChrzanNutritional anthropologist, University of PennsylvaniaAuthor, Anxious Eaters: Why We Fall For Fad Diets

    Credits:

    • Presenter: Dr Emma Beckett
    • Producer: Carl Smith
    • Senior Producer: James Bullen
    • Sound Engineer: Angie Grant

    This story was made on the lands of the Gadigal, Wurundjeri, Jagera and Turrbal peoples.

    More information:

    Behavioral Characteristics and Self-Reported Health Status Among 2029 Adults Consuming a "Carnivore Diet" - Current Developments in Nutrition, 2021.

    Limitations of Self-Reported Health Status and Metabolic Markers Among Adults Consuming a “Carnivore Diet” - Current Developments in Nutrition, 2022.

    Fruit and Vegetable Intake and Mortality: Results from Two Prospective Cohort Studies of US Men and Women and a Meta-Analysis of 26 Cohort Studies - Circulation, 2021.Long-Term Consumption of 10 Food Groups and Cardiovascular Mortality: A Systematic Review and Dose Response Meta-Analysis of Prospective Cohort Studies - Advances in Nutrition, 2022.Association of changes in red meat consumption with total and cause specific mortality among US women and men: two prospective cohort studies - BMJ, 2019.

    Anxious Eaters: Why We Fall For Fad Diets - Columbia University Press, 2022.

    What is the carnivore diet? - Harvard Health Publishing, 2024.


    01 | Cooked: Could ice cream actually be good for you? Jan 29, 2025
    Show notes

    Two decades ago, nutritional epidemiologists made a startling finding – that people eating more ice cream were less likely to develop diabetes.

    In the years since, various groups have tried to account for this peculiar scientific signal — with limited success.

    In multiple studies the link between ice cream and a reduced risk of diabetes persists. Yet nutrition experts globally still aren’t convinced.

    But if it’s not true, what’s causing the signal?

    Grab a spoon and dig into culture, causation and confounders — and the joy of a tub of ice cream.

    Credits:

    • Presenter: Dr Emma Beckett
    • Producer: Carl Smith
    • Senior Producer: James Bullen
    • Sound Engineer: Nathan Turnbull

    This story was made on the lands of the Gadigal, Jagera and Turrbal peoples.

    More information:

    Nutrition Science's Most Preposterous Result - The Atlantic.

    Here's the scoop on the new thinking about ice cream, yogurt, cheese and health - WBUR.

    Dairy and your heart health - Heart Foundation.


    00 | INTRODUCING — Cooked Jan 28, 2025
    Show notes

    For Science Friction, a new series — Cooked!

    On Cooked, we dig into the nuance of nutrition. Why are studies showing that ice cream could be good for you? Do we really need as many electrolytes as the internet says? And why are people feeling good on the carnivore diet?

    Nutrition and food scientist Dr Emma Beckett helps comb through the evidence on food groups and ingredients like meat, dairy and salt — to unpick why nutrition studies can be so conflicted and confusing.


    06 | Is super-intelligent AI around the corner? Nov 29, 2023
    Show notes

    Behind the rise of AI there's big questions about where this technology is going.

    Is it going to be super intelligent — and if that happens — is it going to kill us all?

    In our final episode, we're diving into the future and unpacking the full spectrum of expert predictions, from the idea that we're on the brink of creating human-level AI, to fears that AI will make humanity extinct.

    Come meet our future AI overlords.


    05 | The year the world woke up to AI with a bang Nov 22, 2023
    Show notes

    2023 was the year powerful new AI technology went mainstream, with image generators and tools like ChatGPT.

    And people quickly started wondering where these advances were taking them.

    This is the story of 2023 in three chapters: the first contact, the backlash that followed, and the new reality.

    It's the story of actors fighting back against plans to replace them with digital clones, writers suing AI companies for stealing their words, and students figuring out how to use their new magical writing tool.


    04 | If you control AI, you control the world Nov 15, 2023
    Show notes

    AI is often portrayed as being all about technology. But it is also about money and control. Because those who control AI, may control the world.

    In the AI world, there are two names that keep coming up: OpenAI, the company behind ChatGPT, and its CEO, Sam Altman.

    Who is Sam Altman? How did his tiny company leapfrog the tech giants and win the scramble for control of AI? And what are Altman's plans for the future?


    03 | The bumpy history of driverless cars and their AI brains Nov 08, 2023
    Show notes

    When you think about a driverless car future, perhaps your mind goes to being driven around, watching movies from the backseat and drinking martinis.

    For over a decade, perfect driverless cars have seemed only a few years away. But in reality, they were nowhere close.

    Now, driverless cars are finally being rolled out in some cities.

    But (like humans) they're crashing and causing chaos.

    So are driverless cars finally here? Or is teaching a car to drive simply too difficult?


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