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Next up on the Radio
Wednesday 29th July 2026
9:30 am - 10:00 amWednesday 29th July 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 29th July 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 30th July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Electric shocks, bloody noses, sleep sneezing
Why does earwax taste bitter but snot doesn’t? Can Wi-Fi be harmful? If we were to replicate the big bang, how would we contain it?
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Corn in poo, Keto diets and cancer causing meats
Why do some farts smell and some don’t? What are so many people developing gluten intolerance? Can you ever be 100% healthy with food? In this food and nutrition special, Dr Karl answers these questions and more with special guests dietitian Dr Kyra Sim and USA nutrition expert Yvette d’Entremont.
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Chemical happiness, attractive bees and hot feet
How do you test sewerage for drugs? Did a hash brownie bring back my sense of smell? Why can’t I burp? These science questions get answered this week, by science journo Bianca Nogrady and Uni of Sydney researcher Dr Alice Motion.
National Geographic Kids How Do Birds Flock?
We still don’t understand how birds fly in flocks and make patterns that look so obviously organised. After all, they don’t get together beforehand to agree on a series of manoeuvres once they reach altitude! Nevertheless, this collective behaviour emerges from the combined actions of thousands of independent creatures. How? The birds follow three simple […]
