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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

0:29:00

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.

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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.

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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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0:38:00

Butt breathing, plovers and flammable water

Dr Karl Podcast ·

2025/10/23

How will the universe end? What makes weight lighter in the pool? And with enough helium, could we float?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:40:00

AI consciousness, sleep paralysis and onion tears

Dr Karl Podcast ·

2025/10/16

Do ants outweigh humans? Are we getting any more water on Earth? And why do dreams leave us on cliffhangers?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:39:00

Motion sickness, 3I/ATLAS and cross-breeding

Dr Karl Podcast ·

2025/10/09

What would happen to the universe if we could time travel? How fast does the earth move? And at what point does our brain switch from awake to asleep?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:43:00

The science of cringe, meat juice & psychedelic shrimp

Dr Karl Podcast ·

2025/10/02

Will trees adapt to climate change? What causes migraine auras? And what happens in your body when you quit vaping?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:42:00

Fibre, the carnivore diet & drunk hamsters

Dr Karl Podcast ·

2025/09/25

How does boiling water affect tea? What is the instant smell from a packet of salt and vinegar chips? And how do carbohydrates and protein interact in our digestive system?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:39:00

Smelly sneezes, stress seizures & sound proofing

Dr Karl Podcast ·

2025/09/18

What's the correlation between black holes and time travel? Do batteries weigh less when they are empty? Why do some people develop indigestion later in life?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:39:00

Wee-Lemons, Life On Mars & Moon Balloons

Dr Karl Podcast ·

2025/09/11

Should you really be weeing on your lemon tree? How close are we to finding proof of life on Mars? And what would happen to a helium balloon in zero gravity?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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0:19:00

BONUS: Parmigianas, shopaholics and small talk

Dr Karl Podcast ·

2025/09/10

It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!

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0:39:25

Hypnotism, Sunscreen and Simulation Theory

Dr Karl Podcast ·

2025/09/04

What is the science behind Deja-Vu? Do we all see the same colours? Does cotton cause indigestion?Dr Karl answers these questions and more on triple j Mornings with Jaimee Taylor-Nielsen.

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0:27:00

BONUS: Life on Mars, bum cracks and the power of...

Dr Karl Podcast ·

2025/09/03

It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!

en

0:42:00

Changing seasons, vape smoke and heat cream vs. hand...

Dr Karl Podcast ·

2025/08/28

What would happen if we all jumped at once? Is there anything a black hole can't swallow? And what cooks faster, baked or boiled sweet potato?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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352 results

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