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Next up on the Radio

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

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 30th July 2025
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

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

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

  • Thursday 31st July 2025
    9:30 am - 10:00 am

    Dr Karl joins Rory McClaren on ABC Adelaide


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Great Moments in Science

Why we tell lies

There’s a lot we still don’t know about what’s going on in the brain of a liar.

Great Moments in Science

Is a vegan diet healthy?

Can you be truly healthy on a diet that excludes both meat and dairy?


Great Moments in Science

Spider intelligence

They’ve got brains smaller than a pinhead, but spiders can count!

Great Moments in Science

Coal’s hidden health cost

Sulphur dioxide pollution from coal-fired power stations can have bad health effects โ€” but who picks up the bill, and could power stations be doing more?