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 17th June 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 17th June 2026
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 17th June 2026
    7:00 pm - 7:30 pm

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

  • Thursday 18th June 2026
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide


Latest Books

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Recent Articles & Stories

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Australian Geographic

Australian breakthroughs: the invention of wi-fi

Dr Karl looks at the story behind how Australian black hole researchers invented wi-fi. “IF WE KNEW what we were doing, it wouldn’t be called research, would it?” Albert Einstein allegedly said. One example of a totally unexpected outcome from science is the story of how the search for black holes earned Australia about $1 billion in […]

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Sex, multiple orgasms and curing a morning glory

As part of triplej’s ‘sex week’, Dr Karl and Zan Rowe take talkback questions ranging from female ‘squirting’ to male morning glories and having sex during pregnancy.


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Tides, psychopaths & sweat

Dr. Karl answers all your science questions, including; why is it hard to breathe in humid weather? Why do we twitch while falling asleep? Can caffeine shakes be permanent?

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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.