Morning vs. motion sickness, sunburnt eyes and colour blind dreams
05-03-2026 | 37 Min.
Does light travel forever? Why does the dancefloor get so sweaty? And can your friends match your freak? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.
Share house smells, sleeping mosquitoes and multiverse supercomputers
26-02-2026 | 41 Min.
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.
Synesthesia, lime cordial v. bacteria & fusion reactors
19-02-2026 | 38 Min.
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
The Challenger Legacy - new Dr Karl podcast
17-02-2026 | 6 Min.
Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.
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.
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!