9:30 am - 10:00 am
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Next up on the Radio
Wednesday 4th November 2026
9:30 am - 10:00 amWednesday 4th November 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 4th November 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 5th November 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
Thursday 5th November 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Latest Books
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Recent Articles & Stories
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National Geographic Kids Running on Time
Time with Dr Karl Time to think… If you look at nature, you will find a few naturally occurring timekeepers. For example, the sun dictates the length of one day – approximately 24 hours from sunrise to sunrise. But if you want to measure shorter periods of time, you need to use a clock. Water […]
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Evil crows, bird funerals, swooping magpies
Ever wondered whether birds are evil? Plus do birds have funerals like humans do?
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Chewing, soy, protein
Could you last on a deserted island, Tom Hanks style? Are bananas actually healthy? Is my vegetarian diet affecting my PCOS? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Professor Clare Collins from the University of Newcastle
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Snake bites, popcorn and nuclear devices
Why do we get dizzy when we get up really quickly? Why does hot water sound different to cold water when it comes out of the tap? Why do cold and flu symptoms always feel worse in the morning and at night?
