Dr Karl Kruszelnicki

Shirtloads of Science

Science EN ↓ 467 episodes

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. Series Producer: Isabelle BentonTechnical Producer: Maya Cook

Author

Dr Karl Kruszelnicki

Category

Science

Latest episode

Jul 4, 2026

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Episodes

Space Law 102 with Duncan Blake (358) 15.10.2023

What governs the resources, risks and rewards on the Moon, Mars and beyond?  Dr Karl gets a booster shot of Space law with specialist lecturer Duncan Blake.   Drkarl.com Duncan Blake

Space Law 101 with Duncan Blake (357) 08.10.2023

What are the rules for human behaviour in Space ?  Dr Karl gets an introduction to Space Law history with specialist lecturer Duncan Blake.   Drkarl.com Duncan Blake

Soot & Seaweed with Prof. Tuthill & Tiahni Adamson (356) 01.10.2023

Stars & Cows with astrophysicist Prof Peter Tuthill & Wildlife Conservation Biologist Tiahni Adamson (356)  

Busting big nicotine with Dr King (355) 24.09.2023

The story of how a local oncologist took a pledge against Big Tobacco to the United Nations and had it passed. Dr Karl talks with Dr Bronwyn King about her crusade against the merchants of preventable disease through tobacco-free portfolios. drkarl.com tobaccofreeportfolios.org    

Tyre Chemistry with Dr Linda (354) 17.09.2023

Meet tyre nerd and chemist Dr Linda Mitchell. She works in stewardship - trying to improve our recycling of rubber.  How many old Australian tyres are exported and burned each year? Way too many and Dr Mitchell knows how we can do better. DrKarl.com TSA Lindylulu77  

Cosmic Ripples with Professor Davis (353) 10.09.2023

Professor Davis and Dr Karl delve into the universal tensions and cosmic ripples.  Are there frozen clumps at regular intervals leading back to the Big Bang? drkarl.com @tamarastro

Green Chemists Paul Anastas & John Warner (352) 03.09.2023

Dr Karl meets two Green Chemists. For 30 years they have been encouraging sustainable and cleaner chemical processes.  DrKarl.com Dr Paul Anastas John Warner    

Night Skies with Prof Lisa Harvey-Smith (351) 27.08.2023

Auroras, fireballs and space junk. They are all visible.   Prof Lisa and Dr Karl discuss how and where you might spot them. Also, how you can get your name into space. drKarl.com lisaharveysmith.com

Starry Gravity with Professor Lewis (350) 21.08.2023

Will 2023 be the year that we both see and feel more gravity waves? Dr Karl probes Prof Lewis about what is so exciting linking LIGO with Pulsars. DrKarl.com Geraint F Lewis

Fusion Power with Professor Wilson (349) 13.08.2023

Meet a scientist working to build and test a fusion power plant. Fusion Professor Howard Wilson has intimate knowledge of plasma - the stuff inside stars - and what is needed to safely contain it on earth.  Prof. Wilson  

Star Shine with Kirsten Banks (348) 06.08.2023

PhD student Kirsten Banks takes Dr Karl on a deep journey towards a new candle standard. Stellar seismology and the search for exoplanets may make galactic maps more accurate. @Astrokirsten  

Gene Therapies with Professor Alexander (347) 30.07.2023

Gene therapies are being approved for a growing number of conditions. Professor Alexander talks to Dr Karl about how they work and the decades of testing to make them safe. Prof. Ian Alexander Dr. Karl

Net Zero with Aussie Research (346) 23.07.2023

Nature needs our help to beat global warming. Dr Karl consults Prof D'Alessandro about her team's work to pull carbon out of the air using solar power. Professor D'Alessandro Dr Karl    

Hormones with Dr Vavrek (345) 16.07.2023

Around 20 years ago a worldwide hormone scare took hold. Was it a media beat-up?  Dr Natasha Vavrek takes Dr Karl through the experiment that caused it and numbers that were misreported. Today HRT is called MHT and is safe again. thebubbletasmania DrKarl

Psychedelics and Therapy (344) 09.07.2023

Australia has implemented laws to permit the use of some psychedelic drugs in strictly controlled circumstances. Psychedelics researcher Dr  Paul Liknaitsky and acclaimed author Heather Rose discuss the possibilities and complexities. #shirtloadsofscience This podcast will discuss topics of mental health. If you find parts of this content confronting or distressing contact Lifeline on 131114.    H...

Neil deGrasse Tyson (343) 02.07.2023

Astrophysicist, author, and speaker Neil deGrasse Tyson joins Dr Karl to talk about science communication. Today needs global action based on solid science like never before - so how to frame it ?   July 23 NZ-Au-Sg Tour dates Drkarl.com

Sunscreen Science with Geoff Mutton (342) 25.06.2023

What is the best way to protect your skin? Dr Karl seeks ground truths from an industrial chemist. Is it all in the science of drying paint? Ep342 drkarl.com

Healthy chewing and eating with Prof Collins (341) 19.06.2023

Healthy eating begins in the mouth.  How much should you chew food?   What sized bites are best? Can Dental Health affect your gut?  Dr Karl masticates these topics with Dietetics Professor Collins. drkarl.com  

Wind Physics with Dr Rosemary (340) 11.06.2023

Wind-powered turbines are powerful machines. So why only three blades? Dr Rosemary gives Dr Karl an introduction to the engineering and physics of getting electricity from air currents. drkarl.com    

Astro Units with Dr Laura (339) 04.06.2023

How can we measure space? Dr Karl consults a Radio Astronomer on units. Please note: Star Wars and Hans Solo references included. drkarl.com

Radio Stars with Dr Laura (338) 28.05.2023

Could a black hole photobomb a star? Dr Laura Driessen explains. drkarl.com

Reionisation with Prof Lewis (337) 21.05.2023

Too hot for synthesis ? Too cool to stick ? The early universe is a bog for electrons . Dr Karl gets the latest on Dwarfs vs Dwarves with Prof Lewis.

Energy and Cars with Dr Bjorn Sturmberg (336) 14.05.2023

Electricity is how Australians get to 43% net zero by 2030. Transport must be part of that plan. Dr Sturmberg has been testing strategies to put electric cars on the grid, in the home and out in paddocks. Recorded in Dec 2022 information was correct then. bjornsturmberg.com drkarl.com

Dark Mythbusting with Prof Lewis (335) 07.05.2023

Matter and Energy continue to raise shadowy questions in physics. Dr Karl tests some recent dark theories with Professor Lewis. drkarl.com geraintflewis.com

The Five Kilo conundrum with Dr Nick (334) 30.04.2023

Why do popular weight loss programs fail just when you feel they should work ? Dr Nick applies science to a healthy body and has good news.  drkarl.com interval weight loss  

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