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Next up on the Radio
Wednesday 26th August 2026
9:30 am - 10:00 amWednesday 26th August 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 26th August 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 27th August 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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Australian Geographic The Fred Hollows Foundation’s Arclight
Dr Karl looks at how the Foundation’s portable and cheap ophthalmoscope is helping save lives and prevent avoidable blindness across the developing world. TODAY, MORE THAN 32 million people around the world are blind, while a further 190 million are visually impaired. There is a humanitarian and economic benefit in remedying this situation. For every […]
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Hand washing, active cases, hot chooks
How long does an asymptomatic person stay asymptomatic? Should we be worried about the fumes from hand sanitizer? How long can I eat my hot chicken leftovers for? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Science reporter Olivia Willis from ABC News.
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Live from Antarctica!
Your favourite scientist answers your icy cold questions, live from Casey Research station. With special guests Dr Ben Galton-Fenzi and Casey research station leader Chris MacMillian.
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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?
