Dr Karl Podcast
triplej
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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 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
JAN 29, 2026
Human buoyancy, acclimatising and syncing periods
Would we die without dioxygen? Where did spiders come from? And can you learn to hack the cold? Dr Karl and Zoe Kean (OAM!) answer these questions and more on triple j Mornings with Lucy Smith.
42 MIN
JAN 8, 2026
Human cannonballs, outrunning the Sun and burning beds
Does Missy Higgins have geometrically impossible standards? How high do hot air balloons go? And how much is too much 'Sugar On My Tongue'? Dr Karl answers these questions and more in this special episode of Science with Dr Karl with Lucy Smith.
19 MIN
JAN 1, 2026
Hangovers, mosquitos and manifestation
What's the fastest way to cool down a room? How helpful is a stiff drink on a sick day? And is weeing in the shower good for you? Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about life hacks!
25 MIN
DEC 25, 2025
Bionic eyes, poop schedules and aphantasia
Does Halsey understand DNA properly? How long should we cryogenically freeze ourselves for? And can we learn how to remember everything? Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about the human body!
29 MIN
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