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PODCAST

Shirtloads of Science

Dr Karl Kruszelnicki

Dr Karl"s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it"s never too late for a happy childhood. https://drkarl.com/

science physics

All Episodes

34:07

How Planes Fly (A Brief Introduction) with Dr. Graham...

Shirtloads of Science ·

2025/06/07

In 2020, Scientific American made waves with the provocative headline: "No One Can Explain Why Planes Stay in the Air." But is that really true? Dr. Graham Wild, senior lecturer in aviation science and technology at the University of New South Wales in Canberra, joins us to set the record straight. In this episode, we dip our toes into the complex world of flight. We scratch at the very surface of the topic in an episode that could easily take over 20 hours. Connect with Dr. Graham Wild on Linkedin

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21:44

Rethinking Laundry for the Planet With Dr Holly Kaye...

Shirtloads of Science ·

2025/05/31

Most of us throw our clothes in the wash without a second thought, but what if that habit is doing more harm than good? In this episode, Dr. Holly Kaye-Smith, social change expert and communications specialist, challenges the way we think about cleanliness, climate action, and everyday laundry. From surprising stats (over 90% of washed clothes aren’t even dirty!) to the hidden environmental cost of every wash cycle, we dive into the myths, microplastics, and mindsets that shape our laundering

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31:56

Are Ice Baths Worth the Hype? With Dr Hunter Bennett...

Shirtloads of Science ·

2025/05/24

Are ice baths really the recovery miracle they're made out to be? We plunge into the science with Dr. Hunter Bennett, lecturer at the University of South Australia, exploring the pros and cons of ice baths, when they’re helpful, and when they might actually hinder your gains. We also unpack health misinformation online and Dr Hunter shares five evidence-based tips for anyone curious about cold plunges. Connect with Dr Hunter Bennett on Linkedin Dr Bennett's article on Ice Baths in The Conversation

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24:33

Health Misinformation on Social Media & Overdiagnosis...

Shirtloads of Science ·

2025/05/19

Dr. Brooke Nickel dives into the murky world of health misinformation on social media, exposing how overdiagnosis and unverified health claims are thriving in a mostly unregulated space. We explore the influence of online personalities, the power of personal anecdotes, and the urgent need for evidence-based guidance in digital health conversations. 🔗 Connect with Dr. Brooke Nickel on LinkedIn

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24:33

Health Misinformation on Social Media & Overdiagnosis...

Shirtloads of Science ·

2025/05/17

Dr. Brooke Nickel dives into the murky world of health misinformation on social media, exposing how overdiagnosis and unverified health claims are thriving in a mostly unregulated space. We explore the influence of online personalities, the power of personal anecdotes, and the urgent need for evidence-based guidance in digital health conversations. 🔗 Connect with Dr. Brooke Nickel on LinkedIn

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27:11

The Dark Side of the U.S Meat Packing Industry with...

Shirtloads of Science ·

2025/05/10

Award-winning author and investigative journalist Alice Driver joins me to discuss her powerful new book, Life and Death of the American Worker. Her investigation exposes the deeply unethical practices within the meatpacking industry in the United States. For Alice, this story is personal. She grew up in Arkansas, one of the country’s poorest states and home to Tyson Foods, the largest meatpacking plant in America. We delve into the harsh realities faced by the industry’s workforce, many of whom are

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28:14

Space Lasers on the Toliman Mission with Prof. Peter...

Shirtloads of Science ·

2025/05/03

In this episode, Prof. Boris Kuhlmey and Prof. Peter Tuthill join me to discuss the Toliman Mission, a space telescope project focused on detecting Earth-like exoplanets around Alpha Centauri, our nearest star system, using precise astrometric measurements. We discuss logistics, the costs involved and the success rate of such an astronomical project. Developed by a collaboration including the University of Sydney, NASA’s JPL, and Breakthrough Initiatives, it aims to launch by 2026. University of

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33:09

Fluoride in Drinking Water with Dr Michael Foley (425)

Shirtloads of Science ·

2025/04/26

Almost all of the regional and remote communities in Queensland do not have fluoridated drinking water, so why is this a problem? Dentist Dr Michael Foley debunks the infamous NTP report which suggested that fluoridated drinking water lowered IQ and breaks down how fluoride actually works and why it's so important for our dental health.

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16:34

Seaforesting Carbon with Sam Elson (424)

Shirtloads of Science ·

2025/03/30

Atmospheric Carbon is burning us up. CO2 is the big culprit but what about methane ? Industry calls CH4 "natural gas" but sheep and cattle belch millions of tons. Australian scientists have a very cool answer with seaweed. drkarl.com seaforest.com.au

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29:14

Food Noise with Professor Clare Collins (423)

Shirtloads of Science ·

2025/03/23

Weight loss medicines are never easy. What happens when your brain says you're full? Dr Karl and Professor Clare Collins explore the promises and pitfalls plus the ones that occasionally kill. drkarl.com

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19:26

Keeping Cool ep2 with Professor Jay (422)

Shirtloads of Science ·

2025/03/16

Our warming world means more humidity. You can't see it but you can feel it. Professor Ollie Jay introduces Dr Karl to wet bulb thermometers, how sweating works and why humidity gets you down. DrKarl.com Prof Ollie Jay

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19:03

Keeping Cool ep1 with Prof Jay (421)

Shirtloads of Science ·

2025/03/09

Summer heat waves are increasing - so AC or fan what is best ? The answer becomes unclear when air temperatures are in the high 30s. Pressor Jay takes Dr Karl inside your sweat glands to discover the physics of keeping cool. DrKarl.com Prof Ollie Jay

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19:50

G-Planes and Hoops with Dr Bloom (420)

Shirtloads of Science ·

2025/03/02

Physics on both galactic and personal scales are explored and answered with Dr Karl. drkarl.com .

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23:14

Meet the Novas with Dr Sara Webb (419)

Shirtloads of Science ·

2025/02/23

We are so lucky to be alive. Dr Sara Webb's 'The Little book of Cosmic Catastrophes' looks at dangerous galactic neighbours. So what are the chances of finding Earth 2.0 ? drkarl.com dr sara webb

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25:44

Circular economies with Belinda Chellingworth (418)

Shirtloads of Science ·

2025/02/16

Dr Karl consults with circular economy expert, experienced waste manager, change maker and garbologist Belinda Chellingworth. Waste is expensive so well-designed product cycles makes it better for us all. drkarl.com BC Consulting

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25:42

Circular economies with Belinda Chellingworth (418)

Shirtloads of Science ·

2025/02/16

Dr Karl consults with circular economy expert, experienced waste manager, change maker and garbologist Belinda Chellingworth. Waste is expensive so well-designed product cycles makes it better for us all. drkarl.com BC Consulting

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29:16

Sexy Talk with Dr Ann Jones (417)

Shirtloads of Science ·

2025/02/09

A shameless piece of cross promotion for ABC podcast 'What the Duck' with Dr Ann Jones about plant and animal reproduction. Contains names of body parts, fluids, graphic descriptions and one swear word. drkarl.com What the duck podcasts

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24:28

Slick Oil with Royce Kurmelovs (416)

Shirtloads of Science ·

2025/02/02

Global Warming is caused by burning fossil fuels. "Slick: Australia's Toxic Relationship With Big Oil " is journalist Royce Kurmelovs' account of our role. Dr Karl explores how the science was silenced downunder. drkarl.com

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22:04

News from Mars with Dr Brown (415)

Shirtloads of Science ·

2025/01/26

Dr Karl talks with the Australian working on the surface of Mars, Dr Adrian Brown from NASA. Hear how AI saved "Percy" the Rover, what those leopard-spotted rocks could mean and Dust devil strategies. drkarl.com Dr Adrian J Brown

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25:35

Winning the Science debate with Dr Bertley (414)

Shirtloads of Science ·

2025/01/19

Dr Frederic Bertley is a leading educator, President and CEO of the Center for Science and Industry (COSI), one of America’s top-ranked science museums. Dr Karl explores tactics in the war on Pseudo and Anti-science. drkarl.com Cosi.org

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439 results

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