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Next up on the Radio
Wednesday 1st July 2026
7:00 pm - 7:30 pmThursday 2nd July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
Thursday 2nd July 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 2nd July 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 2nd July 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
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Peeing on lemon trees, hereditary birth marks and yellow sunglasses
Why is it considered a good thing to urinate on lemon trees? Plus: can birth marks be hereditary?; and why do yellow sunglasses make daylight appear brighter?
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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?
Australian Geographic The invention that saved soldiers’ lives in WWI
Australian physicist William Lawrence Bragg located enemy artillery with a makeshift infrasound reader. IN THE FIRST World War, artillery killed more soldiers than any other weapons. The counter-measure was to blow it up with your own artillery. ‘Sound Ranging’, the best system to find enemy artillery, was developed by William Lawrence Bragg, an Australian and […]
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Brown vs white rice, dairy acne and smelly food farts
Is brown rice actually better for you than white rice? When you eat ice cream does it leave your body as poo or wee? And how do different foods affect the smelliness of your farts? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
