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Next up on the Radio
Wednesday 21st October 2026
9:30 am - 10:00 amWednesday 21st October 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 21st October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 22nd October 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Submarines in space, lupis and nostril hairs
Can animals be allergic to humans? Why do people always go on holidays near water? Why do I sleep talk?
National Geographic Kids Running on Time
Time with Dr Karl Time to think… If you look at nature, you will find a few naturally occurring timekeepers. For example, the sun dictates the length of one day – approximately 24 hours from sunrise to sunrise. But if you want to measure shorter periods of time, you need to use a clock. Water […]
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Hungry sneezing, remarkable redheads and the Tay Tay debate
What would happen if the whole world farted at once? Why do we hear our own voice differently to how others hear us? Can you scare someone better?
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Bubbles, bushfires and back burning
Why do fires burn faster uphill rather than down? Can you cook a chicken by slapping it? What are the affects of bushfires on trees?
