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Next up on the Radio
Wednesday 7th October 2026
9:30 am - 10:00 amWednesday 7th October 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 7th October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 8th October 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Big dinosaurs, sun flames, four seasons in one day
How does addiction work? Why were dinosaurs so big? Does stress shorten your life?
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Vaccines, receipts, 5G
Can you be immune to COVID-19? Can it live on receipt paper? How do you test a vaccine? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Olivia Willis from ABC News.
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Exploding stars, dark matter and meteor's
Can cats land on their feet in space? Why are planets round? What would happen to the earth if the sun moved closer?
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Farmer's tales, shaved-head hair, and quantum physics and God
What happens when fruit and vegetables cross-pollinate? Why does my hair appear to grow quicker now I shave my head? Does quantum physics imply the existence of a God?
