Dr Karl Podcast
triplej
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Episodes
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Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!
Recent Episodes
FEB 26, 2026
Share house smells, sleeping mosquitoes and multiverse supercomputers
Why are chocolate and coffee the perfect pair? What's the point of having hairy feet? And how do you make the perfect frozen marg? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.
41 MIN
FEB 19, 2026
Synesthesia, lime cordial v. bacteria & fusion reactors
Does a plucked hair grow back? Why does nicotine suppress your appetite? And how high is the sky? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith
38 MIN
FEB 17, 2026
The Challenger Legacy - new Dr Karl podcast
Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.
6 MIN
FEB 12, 2026
Cuteness aggression, aphrodisiacs & dolphin orgasms
Why do some people get so hot when they're asleep? Can you flush microplastics out of your body? Do brain freezes become more common as we age? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.
38 MIN
FEB 5, 2026
Murphy's Law, mouth ulcers and MSG
Where is the centre of the universe? What would happen if the speed of light increased? And what is Dr Karl's favourite maternity fact? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.
38 MIN
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