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Science with Dr Karl
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Next up on the Radio

  • Wednesday 9th July 2025
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 9th July 2025
    7:00 pm - 7:30 pm

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

  • Thursday 10th July 2025
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 10th July 2025
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


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Uncategorized

Red beard hairs, living underwater and movies on airplanes

Why do I sweat more on one side? Can smart watches cause cancer? Why is it easier to see when squinting? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.

Uncategorized

Nail clippings, boobs, spicy food

Do you hear the voice in your head or do you think you think it? why does eating chilli make you feel good? does the sun rotate? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.


Great Moments in Science

Trees are made from air

Trees are solid and dense. However, they’re made from air. Wait, what?

Australian Geographic

The Fred Hollows Foundation’s Arclight

Dr Karl looks at how the Foundation’s portable and cheap ophthalmoscope is helping save lives and prevent avoidable blindness across the developing world. TODAY, MORE THAN 32 million people around the world are blind, while a further 190 million are visually impaired. There is a humanitarian and economic benefit in remedying this situation. For every […]