Dr Karl
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Triple J Science with Dr Karl

Triple J Science with Dr Karl
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Next up on the Radio

  • Wednesday 18th November 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 18th November 2026
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 18th November 2026
    7:00 pm - 7:30 pm

    Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland

  • Thursday 19th November 2026
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide


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Eating boogers, wasp stings, noise cancelling headphones

Dr Karl is back at it, answering all your science questions on triple j Mornings. Why do noise cancelling headphones cut out on the train? Why don’t spiders get stung by wasps? Is eating boogers healthy?

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Emotional chords, hungover libido, forced smiles

Does forcing a smile really make you happier? Why do certain notes or chords have emotional responses? Is urine good for helping lemon trees grow?


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The perfect hot chocolate, body hair length, snorting

How do you make the perfect hot chocolate? Does snorting things destroy your sense of smell? What are the particles of atoms made of?

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Festivals, curves, core-gasms

When can we go to music festivals again? Can you store a fart in a jar? Can exercising make you orgasm? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Dr Norman Swan from the ABC’s Coronacast podcast,