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Next up on the Radio

  • Wednesday 1st December 2021
    9:30 am - 10:00 am

    Dr Karl joins Matt Webber on ABC Gold Coast

  • Wednesday 1st December 2021
    10:30 am - 11:00 am

    Dr Karl joins David Bevan on ABC Adelaide

  • Wednesday 1st December 2021
    10:30 am - 11:00 am

    Dr Karl joins David 'Alex' Chambers on ABC Townsville

  • Thursday 2nd December 2021
    9:30 am - 10:00 am

    Dr Karl joins Rebecca Levingstone on ABC Brisbane


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Great Moments in Science

Barcode invention: part two

Barcodes look deceptively simple, but it took 25 years and two episodes of Great Moments in Science! to get from that lightbulb moment on a beach to the first barcode and scanner at a checkout.

Great Moments in Science

Diseases stink!

Joy Milne has a superpower. She can smell Parkinson’s disease years before it’s diagnosed.


Great Moments in Science

Carrington Event

What was the mysterious Carrington Event of 1859? And why did it affect telegraph systems?

Great Moments in Science

Virus 103

This COVID-19 pandemic is the first one for 102 years. In 1918-1920 we had an influenza pandemic, which we now refer to as the Spanish Flu. Back then we didn’t know about a thing called a ‘virus’, so in 1918 no-one knew what was killing people. But we did know about germs.