Dr Karl Podcast

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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!

9 HR AGO

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
19 FEB

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
17 FEB

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
5 FEB

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
29 JAN

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
8 JAN

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
1 JAN

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
25/12/2025

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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Karl Kruszelnicki

Host
Lucy Smith

Host
Zoe Kean

Guest
Karl Kruszelnicki

Guest

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!