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Next up on the Radio
Wednesday 23rd September 2026
9:30 am - 10:00 amWednesday 23rd September 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 23rd September 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 24th September 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
Latest Books
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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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Rising sea levels, brain's exploding and evolution
Is a Googleplex the biggest single number? Are rising sea levels only caused by ice melting? Why do we get blocked noses?
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Rocking during sleep, morning sickness and coloured cat fur
Why do people rock from side-to-side when they sleep? Plus: are humans the only mammal that suffers morning sickness during pregnancy?; and why can cat fur have different colours along the length of each strand of hair?
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Festivals, curves, core-gasms
When can we go to music festivals again? Can you store a fart in a jar? Can exercising make you orgasm? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Dr Norman Swan from the ABC’s Coronacast podcast,
