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Next up on the Radio

  • Wednesday 26th March 2025
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 26th March 2025
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Wednesday 26th March 2025
    7:00 pm - 7:30 pm

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

  • Thursday 27th March 2025
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide


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Great Moments in Science

Mirror Universe: part two

A nine second difference between physics experiments could have big implications. A whole universe worth of them!

Great Moments in Science

Zombies, pi and shotguns

Need to calculate pi while fending off zombies? Dr Karl has found a way to solve both your problems.


Great Moments in Science

Hot Dog Eating

What’s the maximum number of hot dogs someone could eat in 10 minutes?

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Headphone earwax, poisonous spiders and sticky things

Can different bird species communicate with each other? Why am I so sweaty? Why do animals have an even number of limbs?