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 10th June 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 10th June 2026
    7:00 pm - 7:30 pm

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

  • Thursday 11th June 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 11th June 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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Australian Geographic

Australian breakthroughs: the Bionic Ear

Dr Karl takes a look at how the Bionic Ear – developed with the help of Australian expertise – helps nearly 300,000 people worldwide hear again. HEARING LOSS IS a major disability. People have been working on this for centuries. Beethoven was totally deaf and would clench a pencil between his teeth and press it […]

Uncategorized

Life on Mars, space welds, menstrual moon cycles

Are we still seeing light from The Big Bang? Does space end? Is a earthquake on Mars called a Mars-quake? Dr Karl answers this question and more on triple j Mornings, with Professor Don Kurtz and host Lucy Smith.


Uncategorized

Can maths predict the future?

Can maths predict the future? What about lotto numbers? Plus, the question that stumped the nation!

National Geographic Kids

Why Is It Dark at Night?

Night and dark with Dr Karl… When there is no moon at night, the sky is dark – apart from the light of the stars (let’s ignore the planets). There are thousands of billions of billions of stars, and together they give out a lot of starlight. So why doesn’t the night sky glow as […]