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Next up on the Radio
Wednesday 12th August 2026
9:30 am - 10:00 amWednesday 12th August 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 12th August 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 13th August 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Deja Vu, sleep sneezes and eating vegan
Why is the sky blue? Do people age slower in cold climates? Is my water bottle infecting me? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
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Rising sea levels, brain's exploding and evolution
Is a Googleplex the biggest single number? Are rising sea levels only caused by ice melting? Why do we get blocked noses?
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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.
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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?
