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 7th October 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 7th October 2026
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 7th October 2026
    7:00 pm - 7:30 pm

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

  • Thursday 8th October 2026
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide

  • Thursday 8th October 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings


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National Geographic Kids

Digging a Hole Through Earth

Dr Karl imagines digging a hole through Earth to the other side of the world. Have you ever thought of digging a hole in your backyard deep enough to take you to the other side of the world? Suppose you really could drill a hole right though the centre of the Earth. What would happen […]

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Exploding crockery, furry male allergies and female ejaculation test results

Why does crockery seem to randomly explode? Plus: Is it possible to be allergic to only male furry animals?; and a caller reports the results of his and his partner’s female ejaculation tests.


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Sympathy spews, chubby rain and full-moon craziness

Could you make off milk drinkable by boiling it? Are you heavier after taking a shower? Can computer viruses become real life viruses?

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Apple burps, dogs on the phone, the munchies

Why do you get hungry when you smoke marijuana? Why cant my dog hear my voice over the phone? Why do I burp after I eat an apple.