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Dr Karl Podcast

by triplej

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Latest episodes

  • Bruising, cockatoo schedules and roasted potatoes

    October 22, 2026 · 41 min

    How do bandages affect bruising? Can bunions return after surgery? And why does a sauna feel hotter when you chuck water on the coals? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr…

  • Coral bleaching, bioluminescence and intelligent fish 

    October 15, 2026 · 40 min

    Do fish have feelings? Does Shark Tale stack up scientifically? And how can you get involved in marine science? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here…

  • Dyslexia, El Niño and itchy ears 

    October 8, 2026 · 41 min

    Why do we dance when we hear music? Can you smell someone's sickness? And why do cats always land on their feet? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here…

  • Glowing planets, shrinking brains and living till you're 150

    October 1, 2026 · 40 min

    How is it possible to day dream? Can screen time and AI impact how you age? And what makes the colours of the sunset? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it…

  • The full moon, earworms and tickling

    September 24, 2026 · 40 min

    Why does cola taste different when it's in a can? How come we shouldn't reheat meat more than once? And why do we sneeze when we get into hot cars? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a…

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  • Honeybees, climate change and pollination

    September 17, 2026 · 42 min

    Why is the sun so good at removing tomato stains? Why do plants change colour in response to cold weather? And are we getting closer to what was portrayed in the movie Avatar?  Dr Rose Kerr and Dr Clancy Lester answer these questions and…

  • Radio stars, spiral galaxies and threadworms

    September 10, 2026 · 41 min

    When will Australia have a total solar eclipse? What determines the life cycle of a star? And why does our body go into 'survival mode'?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr…

  • The third eye, scented candles and norovirus 

    September 3, 2026 · 40 min

    Why do our ears produce wax? What is the storage capacity of the human brain? And will we ever run out of music combinations?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl…

  • Black tea, pins & needles and toilet doors 

    August 27, 2026 · 40 min

    Does sneezing cure nausea? Why do brown paper bags ripen produce? And how does aromatherapy work?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here…

  • Calcium v. iron, E=mc² and The Pill 

    August 20, 2026 · 40 min

    Is nicotine a laxative? Are mental health conditions hereditary? And can you retrain gut bacteria? Dr Kate Thomas, Dr Caitlin Thurn and Dr Karl answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr…

  • Axolotls, hydration and escalators 

    August 13, 2026 · 42 min

    What does space smell like? Why does a beer taste different with breakfast? And why is the 'feels like' temperature different to the actual temperature? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a…

  • Endometriosis, oversleeping and 'irritable male syndrome'

    August 6, 2026 · 39 min

    Does sex get rid of a headache? If you're on hormonal contraception, do you still release an egg each month? And when you eat corn, why does it come out the other end in one piece?  Dr Naomi Koh Belic and Dr Theresa Larkin answer these…

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About the show

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!