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Next up on the Radio
Wednesday 15th July 2026
9:30 am - 10:00 amWednesday 15th July 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 15th July 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 16th July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Green tomatoes, vegans and static shock
How do you get green tomatoes to ripen quickly? Can people on a vegan diet receive the same amount of nutrients as meat-eaters? Can static shocks through headphones be dangerous?
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3D printed organs, muscle memory, that op shop smell
Why do op shops all smell the same? Why can’t we use 3D printers to print organs? Is there any benefit to avoiding gluten?
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Period syncing, lip fillers and magic mushrooms
Why does coffee change taste as it cools down? Why do we get goosebumps? Do women’s periods really sync up?
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Rocking during sleep, morning sickness and coloured cat fur
Why do people rock from side-to-side when they sleep? Plus: are humans the only mammal that suffers morning sickness during pregnancy?; and why can cat fur have different colours along the length of each strand of hair?
