Dr Karl
Dr Karl on TikTok!
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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 16th September 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 16th September 2026
    7:00 pm - 7:30 pm

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

  • Thursday 17th September 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 17th September 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


Latest Books

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Recent Articles & Stories

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Uncategorized

Allergies, time machines, and the meaning of 0

Dr. Karl answers all your science questions, including; is gravity stronger underground? Is raspberry cordial good for your gut? Which way do toilets flush on the equator?

Uncategorized

Muscle memory, buttery sweat and our robot overlords

Where does the wind come from? Can we affect other peoples dreams? Why do some people smell like butter when they sweat?


Australian Geographic

Australian breakthroughs: the cervical cancer vaccine

Dr Karl looks at how scientists have combated cervical cancer since the early 20th century. WAY BACK IN medical school I decided that my favourite organ was the uterus. That’s because it does its amazing job with a very high success rate – and only very occasional assistance from us. The cervix forms the bottom […]

Uncategorized

3D printed organs, muscle memory, that op shop smell

Why do op shops all smell the same? Why can’t we use 3D printers to print organs? Is there any benefit to avoiding gluten?