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Science with Dr Karl
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Next up on the Radio

  • Wednesday 8th January 2025
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 8th January 2025
    3:00 pm - 3:30 pm

    Dr Karl joins Katherine Feeney on ABC Brisbane

  • Thursday 9th January 2025
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 9th January 2025
    2:00 pm - 2:30 pm

    Dr Karl joins Michael Tetlow for ABC Perth


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Hungry galaxies, climate change and sleeping with eyes open

How will the galaxy Andromeda be feeding on our galaxy The Milky Way? Plus climate change, a positive future and sleeping with your eyes open.

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Love at first sight, killer rabbits, pig orgasms

Why do dead people still get goosebumps? What happens if two black holes collide? Why do you feel worse after a long nap? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.


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Talking dogs, DNA breakthroughs and mozzie bites

Can you teach your eyes to roll away from each other? Is it bad to cough on command? How do relaxation pods work? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.

Great Moments in Science

How many cells in a person?

It’s a surprisingly hard question to answer, but Dr Karl has tracked down a reasonable estimate of the number of cells in the human body.