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Next up on the Radio

  • Wednesday 3rd April 2024
    9:30 am - 10:00 am

    Dr Karl joins Matt Webber on ABC Gold Coast

  • Wednesday 3rd April 2024
    10:30 am - 11:00 am

    Dr Karl joins Susan Graham-Ryan on ABC Townsville

  • Thursday 4th April 2024
    9:30 am - 10:00 am

    Dr Karl joins Rebecca Levingstone on ABC Brisbane

  • Thursday 4th April 2024
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings


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Great Moments in Science

Mirror Universe: part 1

As if our regular universe isn’t crazy enough there might be a completely different ‘mirror’ universe lurking amongst us!

Great Moments in Science

Parking, science-style

Understanding thyself, and taking the middle path, can lead to a much faster and calmer parking experience


Great Moments in Science

How the Nobel Prize medals were hidden from the Nazis

The gold in a Nobel Prize medal is dense enough to make a big impression when you try to take it through an airport X-ray scanner. It’s also very resistant to being dissolved—but that didn’t stop one chemist who needed to hide two medals from the Nazis, as Dr Karl Kruszelnicki explains.

Great Moments in Science

Why are whales so big?

Whales are the giants of the marine realm, and here’s why they get that way.

This episode was originally published in May 2018