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Next up on the Radio

  • Wednesday 17th September 2025
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 17th September 2025
    7:00 pm - 7:30 pm

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

  • Thursday 18th September 2025
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 18th September 2025
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart

  • Thursday 18th September 2025
    2:30 pm - 3:00 pm

    Dr Karl joins Alice Matthews on ABC Canberra


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In the News

ABC News 24: 2016 Nobel Prize Winners in Physics, Chemistry and Medicine

Dr Karl talks about the 2016 Nobel Prize Winners in Physics, Chemistry and Medicine

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Poltergeist phones and period cravings

Why do some mobile phones ring when they are switched off? And why do many women crave chocolate just before their periods?


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Essential oils, exploding eggs and upside down lightning

Is it better to pick up dog poo or let it fertilize? Do we lose our sense of taste as we get older? Why do I get itchy when I sneeze?

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Workout music and rumbling stomachs

Why do some people work harder at the gym when they listen to a favourite tune? Plus: why does your stomach rumble when you are hungry? And why do your hands tingle after an orgasm?