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 5th August 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 5th August 2026
    7:00 pm - 7:30 pm

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

  • Thursday 6th August 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 6th August 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


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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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Iced coffee, flies, static electricity

Chernobyl Exclusion Zone, what is dark matter and what would happen if flies don’t exist?


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Sun mirror, essentials oils, vinyl records

How do you get music out of a vinyl record? What would happen if you reflected the sun’s light back at it? Would ants survive without their colony?

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Fasting, bluebottles and magnetic poles

Dr. Karl answers all your science questions, including; Is fasting good for you? How do bluebottles procreate? Are the magnetic poles changing places?


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