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  • Wednesday 30th November 2022
    9:30 am - 10:00 am

    Dr Karl joins Matt Webber on ABC Gold Coast

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    10:00 am - 10:30 am

    Dr Karl joins Sheriden Stewart on ABC Sunshine Coast

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    10:30 am - 11:00 am

    Dr Karl joins David Bevan on ABC Adelaide

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Great Moments in Science

Movie releases of a chemical kind

There are two pretty tense moments in Hunger Games: Mockinjay, and scientists know this just from the chemicals given off by the audience who watched the film. Dr Karl Kruszelnicki explains how a shared scary cinema experience led to a fundamental discovery about human biology.

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Itchy ankles, swelling cheeks and bellybutton fluff

Why do some people get itchy legs when they exercise? Plus: what causes some people’s cheeks to swell and tingle while eating cheese? And why is bellybutton fluff always blue?


Great Moments in Science

Smell

We see our human sense of smell as woefully inadequate compared to other animals but awareness of our sense of smell has become more of a hot topic recently with the COVID-19 pandemic. A significant number of people who get the virus lose their sense of smell early on. It seems that a loss of smell can be a very good early sign of COVID-19 infection. 

Great Moments in Science

Wasted food

Humans waste a huge amount of food every year.