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 26th August 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 26th August 2026
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 26th August 2026
    7:00 pm - 7:30 pm

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

  • Thursday 27th August 2026
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide


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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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Creating gold, clicking and skin flaps

Are there different species of humans? Is the earth getting heavier? Why can i put my dreams on hold? Dr Karl answers these questions and more, with guest host Karla Ranby on triple j Mornings.


Australian Geographic

The Science Behind the Tides

There are about 120 different possible tides each day. There are tides that happen once a day, twice a day, three times a day, four times a day, and so on. THE TOWN OF Karumba – at the Gulf of Carpentaria’s bottom right-hand corner – experiences only one high tide and one low tide each […]

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Workout music and rumbling stomachs

Why do some people work harder at the gym when they listen to a favourite tune? Plus: why does your stomach rumble when you are hungry? And why do your hands tingle after an orgasm?