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Next up on the Radio
Wednesday 7th October 2026
9:30 am - 10:00 amWednesday 7th October 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 7th October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 8th October 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Poo shapes, floating poop, the three second rule.
Dr Karl is away for the month, so science journalist Bianca Nogrady is stepping in to be your science sherpa on triple j. And joining her today was Professor Clare Collins, Nutritionist at the University of Newcastle.
Australian Geographic The invention that saved soldiers’ lives in WWI
Australian physicist William Lawrence Bragg located enemy artillery with a makeshift infrasound reader. IN THE FIRST World War, artillery killed more soldiers than any other weapons. The counter-measure was to blow it up with your own artillery. ‘Sound Ranging’, the best system to find enemy artillery, was developed by William Lawrence Bragg, an Australian and […]
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Left-handed kids, body bacteria & liquid nicotine
Why is the sky blue during sunsets? What’s outside the universe? What came before the dinosaurs?
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Space special with NASA astronaut Dr Gregory Chamitoff
What’s it like to live in space for 183 days? NASA astronaut Dr Gregory Chamitoff joins Dr Karl to answer all your space questions.
