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Next up on the Radio
Wednesday 24th June 2026
7:00 pm - 7:30 pmThursday 25th June 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 25th June 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
Thursday 25th June 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 25th June 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
Latest Books
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Recent Articles & Stories
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National Geographic Kids Digging a Hole Through Earth
Dr Karl imagines digging a hole through Earth to the other side of the world. Have you ever thought of digging a hole in your backyard deep enough to take you to the other side of the world? Suppose you really could drill a hole right though the centre of the Earth. What would happen […]
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Iced coffee, flies, static electricity
Chernobyl Exclusion Zone, what is dark matter and what would happen if flies don’t exist?
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Old people smell, farts in water, teeth whitening
Special guests Science Journalist Binaca Nogrady and Dr Alice Williamson join Linda Marigliano to answer your science questions.
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The perfect hot chocolate, body hair length, snorting
How do you make the perfect hot chocolate? Does snorting things destroy your sense of smell? What are the particles of atoms made of?
