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Next up on the Radio
Wednesday 28th October 2026
9:30 am - 10:00 amWednesday 28th October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 29th October 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 29th October 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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Recent Articles & Stories
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National Geographic Kids How Do Birds Flock?
We still don’t understand how birds fly in flocks and make patterns that look so obviously organised. After all, they don’t get together beforehand to agree on a series of manoeuvres once they reach altitude! Nevertheless, this collective behaviour emerges from the combined actions of thousands of independent creatures. How? The birds follow three simple […]
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Hemp, nicotine and underwater spiders
Dr. Karl answers all your science questions, including; is coffee linked to cancer? Is there scientific proof of an afterlife? Why can’t we control what we remember?
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Meteors, sleep twitching, feeling vibes
Can Wearing a hat make you go bald? Can you physically feel a vibe or someone’s energy? Is it possible to crush someone’s head Game of Thrones-style? Dr Karl answers these questions and more on triple j Mornings, with host Karla Ranby, filling in for Lucy Smith.
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Apple burps, dogs on the phone, the munchies
Why do you get hungry when you smoke marijuana? Why cant my dog hear my voice over the phone? Why do I burp after I eat an apple.
