Dr Karl Podcast

Dr Karl Podcast

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

Episodes

June 17, 2026 44 mins

Can we be profiled by the video games we play? Why does time fly when you're having fun? And what can gaming teach us about real-world science?

Dr Karl and Professor Marcus Carter answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

Find out more about Marcus' work with Sydney Games and Play Lab here!

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Should you depart from your favourite dish? How soon can we become superhumans? And where is the universe going?

Dr Karl answers these questions and more on triple j Mornings with Sam Lane. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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What is the best method for dunking biscuits in a hot cuppa? Does water weigh the same inside our bodies as out? And is telling a burp from a fart just a gut feeling? 

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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What will humans evolve next? How do our phones make 3D scans? And why do random objects appear in the ground?  

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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Are we being stalked by fish? Can pine cones predict the weather? And how do planes actually take off?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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Why are we obsessed with true crime? Do we need to be afraid of death? And does our water come from dead people?

Dr Karl and Dr Hannah Gould answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

And stay up to date with Dr Hannah via her socials!

If you or anyone you know needs support, help is available. Call Lifeline on 13 11 14.

Producer: Josh Bre...

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Could artificial intelligence learn to have a personality? How powerful would AI become with a quantum computer? And what is the best way to adapt to a rapidly-changing world?

Dr Karl and Dr Petr Lebedev answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

And make sure to stay up to date with Petr via his socials!

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Is blood really a liquid? Can cats predict a period? And would a soft drink save your life in the wild?

Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

Stay up to date with Theresa's work via her socials: @drtheresalarkin

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When are we going to start time travelling? Why does our brain slow down in near-death experiences? And how do we know what it's like to lick different surfaces? 

Dr Karl, Professor Geraint Lewis and Caitlin Thurn answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

And search Artemis Project to find out more about the work Caitlin does supporting...

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What do we want from the moon? Are our feet faster than us? And what's Dr Karl's favourite flavour of milk? 

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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Is it bad to rub your eyes? What do birds get up to during migration? And which hair colour is the strongest? 

Zoe Kean answers these questions and more on triple j Mornings with Sam Lane. Got a question for Dr Karl - submit it here https://ab.co/askKarl

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Do soap suds affect cleanliness? How does salt in the ocean form? How many mushrooms would it take to decompose a human body?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

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Why do we go to space? How do you design a rocket? And what movie about space gets it most right?

Dr Karl and special guest Jaxon Liebeck answer these questions and more on triple j Mornings with Lucy Smith.

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Are black holes really holes? How heavy is a dark star? And what happens when we're mindful?

Dr Karl and Dr Laura Driessen answer these questions and more on triple j Mornings with Lucy Smith. 

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Does light travel forever? Why does the dancefloor get so sweaty? And can your friends match your freak?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

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Why are chocolate and coffee the perfect pair? What's the point of having hairy feet? And how do you make the perfect frozen marg?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

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Does a plucked hair grow back?  Why does nicotine suppress your appetite? And how high is the sky?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith

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Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.

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February 4, 2026 38 mins

Where is the centre of the universe? What would happen if the speed of light increased? And what is Dr Karl's favourite maternity fact?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

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Would we die without dioxygen? Where did spiders come from? And can you learn to hack the cold?

Dr Karl and Zoe Kean (OAM!) answer these questions and more on triple j Mornings with Lucy Smith. 

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