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Next up on the Radio
Wednesday 4th March 2026
9:30 am - 10:00 amWednesday 4th March 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 5th March 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 5th March 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
Latest Books
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Recent Articles & Stories
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Australian Geographic The fate of our first submarine
Dr Karl tells the story of Australia’s first submarine in World War One, the AE2. ON 31 DECEMBER, 1914, AE2 Australia’s only submarine (AE1 had been lost at sea off New Guinea two months earlier), sailed from Australia towards the Dardanelles. The plan was to trailblaze a path for the Allied fleet into the inland […]
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Emotional chords, hungover libido, forced smiles
Does forcing a smile really make you happier? Why do certain notes or chords have emotional responses? Is urine good for helping lemon trees grow?
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Bubbles, bushfires and back burning
Why do fires burn faster uphill rather than down? Can you cook a chicken by slapping it? What are the affects of bushfires on trees?
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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?
