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 29th July 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 29th July 2026
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 29th July 2026
    7:00 pm - 7:30 pm

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

  • Thursday 30th July 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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Uncategorized

Corn in poo, Keto diets and cancer causing meats

Why do some farts smell and some don’t? What are so many people developing gluten intolerance? Can you ever be 100% healthy with food? In this food and nutrition special, Dr Karl answers these questions and more with special guests dietitian Dr Kyra Sim and USA nutrition expert Yvette d’Entremont.

Uncategorized

Travelers constipation, freckles and dark energy

What is traveler’s constipation? Why do I have freckles? How do black holes effect dark energy? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.


Australian Geographic

The Australian pedestrian button

Dr Karl’s ode to the ergonomic and elegant design of the pedestrian button. IN 1884, PLAYWRIGHT Oscar Wilde wrote, in The Value of Art in Modern Life, “I have found that all ugly things are made by those who strive to make something beautiful, and that all beautiful things are made by those who strive […]

Australian Geographic

Which way does water go down a drain?

Dr Karl investigates if water really drains anti-clockwise in the Northern Hemisphere and clockwise Down Under. DOES WATER EMPTY down a drain hole anti-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere? The answer is – kind of, and sometimes. As a cyclone moves away from the equator, it spins clockwise in the […]