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PODCAST

Dr Karl Podcast

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!

science

All Episodes

0:37:00

Faster-than-light travel, the Van Allen Belt and AI...

Dr Karl Podcast ·

2026/03/19

Why do we go to space? How do you design a rocket? And what movie about space gets it most right?Dr Karl and special guest Jaxon Liebeck answer these questions and more on triple j Mornings with Lucy Smith.

en

0:37:00

Super voids, satellite noise and asteroid navigation

Dr Karl Podcast ·

2026/03/12

Are black holes really holes? How heavy is a dark star? And what happens when we're mindful?Dr Karl and Dr Laura Driessen answer these questions and more on triple j Mornings with Lucy Smith.

en

0:37:00

Morning vs. motion sickness, sunburnt eyes and colour...

Dr Karl Podcast ·

2026/03/05

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.

en

0:41:00

Share house smells, sleeping mosquitoes and...

Dr Karl Podcast ·

2026/02/26

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.

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0:38:11

Synesthesia, lime cordial v. bacteria & fusion reactors

Dr Karl Podcast ·

2026/02/19

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

en

0:06:00

The Challenger Legacy - new Dr Karl podcast

Dr Karl Podcast ·

2026/02/17

Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.

en

0:38:00

Cuteness aggression, aphrodisiacs & dolphin orgasms

Dr Karl Podcast ·

2026/02/12

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.

en

0:38:00

Murphy's Law, mouth ulcers and MSG

Dr Karl Podcast ·

2026/02/05

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.

en

0:42:00

Human buoyancy, acclimatising and syncing periods

Dr Karl Podcast ·

2026/01/29

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.

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0:19:00

Human cannonballs, outrunning the Sun and burning beds

Dr Karl Podcast ·

2026/01/08

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.

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0:25:00

Hangovers, mosquitos and manifestation

Dr Karl Podcast ·

2026/01/01

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!

en

0:29:00

Bionic eyes, poop schedules and aphantasia

Dr Karl Podcast ·

2025/12/25

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!

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0:27:00

The age of space, explosive planets and black hole...

Dr Karl Podcast ·

2025/12/18

How much can a black hole consume? Would anything happen if we all jumped at once? And which planet would have the best gigs?Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about space!

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0:40:00

Disappearing poos, capsaicin receptors and cane toads

Dr Karl Podcast ·

2025/12/11

What muscles are required for a yawn? How does jewellery affect our skin? And what's the connection between atoms and physical pain?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

en

0:38:00

The speed of darkness, sticky spider webs and...

Dr Karl Podcast ·

2025/12/04

How far into space could we hear the Js? What actually causes 'the runs'? And is drinking snow hydrating?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:38:00

Hair loss, bone density and body glitter vs. sunscreen

Dr Karl Podcast ·

2025/11/27

Can you taste with just a sense of smell? Is it possible for your immune system to reset? And what causes period shits?Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith.

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0:40:00

Hair of the dog, photographic memories and shingles

Dr Karl Podcast ·

2025/11/20

Where does all our energy go when we die? Why do humans laugh? And is rain water or tap water better for plant growth?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:38:00

Frozen vs fresh veggies, soap suds and nangs

Dr Karl Podcast ·

2025/11/13

Would an invisible person be blind? Can you have too much muscle? And who teaches bees how to make honey?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:39:00

Frisson, cryogenic freezing and thylacines

Dr Karl Podcast ·

2025/11/06

What's the deal with Neil the Seal? Can you sniff a fart away? And what does sickness smell like?Dr Karl and Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.

en

0:42:00

Pollen peaks, jump scares and alcohol vs mood

Dr Karl Podcast ·

2025/10/30

Is there a link between albedo and climate change? Are four-leaf clovers really that lucky? And could ants rule the world?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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363 results

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