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Next up on the Radio
Thursday 29th October 2026
11:00 am - 12:00 pmThursday 29th October 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
Thursday 29th October 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 29th October 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
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Recent Articles & Stories
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National Geographic Kids A Wee Fact About Asparagus
Asparagus and Wee with Dr Karl Like many people, I love eating asparagus! But there can be a funny side effect… When some of us eat asparagus, shortly afterwards our wee smells strange – a bit like rotten or boiled cabbage. But not all of us can make this stinky wee… and here’s something else […]
National Geographic Kids Cicadas of Summer
Dr Karl explores the wonderful world of cicadas. Have you ever heard the chorus of cicadas in summer? They can be very loud! This is because there are so many of them, singing together like a big insect choir! Cicadas can be heard in most parts of the world. Each species has its own special […]
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Eating after 6pm, sleep cycles, bird farts
Why do I get stitches when I drive a Bobcat? Why do we stick our tongues out when concentrating? Why does black absorb more heat than white. Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
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Head spins, granite cookware and bullets fired in the air
Why does your head seem to spin when you lie down if drunk? What are the differences between various cookwares and are any types dangerous? What happens to bullets that are fired into the air?
