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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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Recent Articles & Stories
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National Geographic Kids Extraordinary X-rays
X-rays are under the microscope with Dr Karl… X-Rays uncovered! On 22 December, 1895 the German physicist Wilhelm Röntgen took the first ever medical X-ray. It was of his wife’s hand! X-rays are a form of electromagnetic radiation. When this light passes through the body and onto a photographic plate, pictures of bones and some […]
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Sun mirror, essentials oils, vinyl records
How do you get music out of a vinyl record? What would happen if you reflected the sun’s light back at it? Would ants survive without their colony?
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Male mammal nipples, music genes, fruit flies
Why do male mammals have nipples? Do we have a music taste gene? Plus a fruit fly experiment.
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Bone density, inflammation and bionic eyes
Why do we have toe nails? Can we dry our clothes by freezing them? Why are sunrises and sunsets different colours?
