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

  • Thursday 29th October 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 29th October 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart

  • Thursday 29th October 2026
    2:30 pm - 3:00 pm

    Dr Karl joins Alice Matthews on ABC Canberra

  • Thursday 29th October 2026
    2:30 pm - 3:00 pm

    Dr Karl joins Jess Ong on ABC Darwin

  • Thursday 29th October 2026
    3:30 pm - 4:00 pm

    Dr Karl joins Prue Bentley on ABC Regional Victoria


Latest Books

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Recent Articles & Stories

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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 โ€“ kind of, and sometimes. As a cyclone moves away from the equator, it spins clockwise in the […]

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Workout music and rumbling stomachs

Why do some people work harder at the gym when they listen to a favourite tune? Plus: why does your stomach rumble when you are hungry? And why do your hands tingle after an orgasm?


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Period syncing, lip fillers and magic mushrooms

Why does coffee change taste as it cools down? Why do we get goosebumps? Do women’s periods really sync up?

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Smells, The Pill & eclipses

Dr. Karl answers all your science questions, including; can you incubate eggs under your arm? Do all mammals yawn? How does music affect the brain?