9:30 am - 10:00 am
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Next up on the Radio
Wednesday 11th November 2026
9:30 am - 10:00 amWednesday 11th November 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 12th November 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 12th November 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
Thursday 12th November 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
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Clean scars, ear plugs and sobering exercise
Why don’t scars get dirty the same way as the rest of your skin? Do noise-reducing ear plugs damage your ears if you wear them for too long? Can exercising after drinking alcohol help you sober up more quickly?
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Eating boogers, wasp stings, noise cancelling headphones
Dr Karl is back at it, answering all your science questions on triple j Mornings. Why do noise cancelling headphones cut out on the train? Why don’t spiders get stung by wasps? Is eating boogers healthy?
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The perfect hot chocolate, body hair length, snorting
How do you make the perfect hot chocolate? Does snorting things destroy your sense of smell? What are the particles of atoms made of?
National Geographic Kids I Can See A Rainbow!
Dr Karl explores the magic of a rainbow. We love a good rainbow. But did you know that not all look the same? Some can be brilliantly bright and colourful and some can appear faint or dull. So when can you see the best ones? The clearest appear when the sun is shining brightly behind […]
