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Next up on the Radio

  • Wednesday 29th May 2024
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 29th May 2024
    3:00 pm - 3:30 pm

    Dr Karl joins Katherine Feeney on ABC Brisbane

  • Thursday 30th May 2024
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 30th May 2024
    2:00 pm - 2:30 pm

    Dr Karl joins Michael Tetlow for ABC Perth


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Inner monologues, curly hair and exploding in space

Do bees know they’ll die if they sting you? Why is fire red? Why doesn’t our moon rotate? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.

Great Moments in Science

Fork ‘n’ food

Would using a larger fork lead to you eating more food, less food, or just the same amount?


Great Moments in Science

Trees have senses too

How do trees face an incoming threat if they can’t move, see, or hear?

Great Moments in Science

Collagen Pt 2: a complex and wonderous protein

There’s a lot of claims out there about the benefits of taking collagen supplements. Last week we spoke about the structure of collagen and what it does in the body. So what happens when you eat or drink it as a supplement?