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Next up on the Radio
Wednesday 21st October 2026
9:30 am - 10:00 amWednesday 21st October 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 21st October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 22nd October 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Boogers, corn, coffee aroma
How does a dog recognise the opposite sex if they can’t smell their butt? Is it healthy to eat your own boogers? Plus, is it possible to inter-breed species?
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A whole lotta black holes, rubbish eating volcanoes and weeing in the ocean
It’s a big black hole celebration! Could one create a new universe? How can we take a photo of one? What would happen to your body if you entered one?
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Floating tips, sound in space & aburpia
Why do we float horizontally in water? Why do some adults develop anaphylaxis? Is soda water good for you?
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Underwater volcanoes, dog yawns, immortality
Why don’t your teeth grow, like nails or hair? What is the smallest particle and what is it made up of? How does natural instinct work?
