triplej

Dr Karl Podcast

Science EN ↓ 250 episodes

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!

Author

triplej

Category

Science

Podcast website

www.abc.net.au

Latest episode

Jul 9, 2026

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Episodes

Bionic eyes, poop schedules and aphantasia 25.12.2025

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!

The age of space, explosive planets and black hole portals 18.12.2025

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!

Disappearing poos, capsaicin receptors and cane toads 11.12.2025

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. 

The speed of darkness, sticky spider webs and drinking snow 04.12.2025

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. 

Hair loss, bone density and body glitter vs. sunscreen 27.11.2025

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. 

Hair of the dog, photographic memories and shingles 20.11.2025

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. 

Frozen vs fresh veggies, soap suds and nangs 13.11.2025

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. 

Frisson, cryogenic freezing and thylacines 06.11.2025

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.

Pollen peaks, jump scares and alcohol vs mood 30.10.2025

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. 

Butt breathing, plovers and flammable water 23.10.2025

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. 

AI consciousness, sleep paralysis and onion tears 16.10.2025

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. 

Motion sickness, 3I/ATLAS and cross-breeding 09.10.2025

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. 

The science of cringe, meat juice & psychedelic shrimp 02.10.2025

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. 

Fibre, the carnivore diet & drunk hamsters 25.09.2025

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. 

Smelly sneezes, stress seizures & sound proofing 18.09.2025

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. 

Wee-Lemons, Life On Mars & Moon Balloons 11.09.2025

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. 

BONUS: Parmigianas, shopaholics and small talk 10.09.2025

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

Hypnotism, Sunscreen and Simulation Theory 04.09.2025

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.

BONUS: Life on Mars, bum cracks and the power of optimism 03.09.2025

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

Changing seasons, vape smoke and heat cream vs. hand lotion  28.08.2025

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. 

Science with Dr. Karl LIVE - Hosted by Lucy Smith: Part Two! 23.08.2025

Whether you listen on the radio every Thursday, on YouTube or from your podcast feed, we've taken the show you know and love and brought it to the live stage!

Manifestation, earthquakes and sun sneezes  21.08.2025

Why does saliva assist suction (get your head outta the gutter!)? Can our eyes really change colour? And which planet would host the best for gigs? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Science with Dr. Karl LIVE - Hosted by Lucy Smith: Part One! 16.08.2025

Whether you listen on the radio every Thursday, on YouTube or from your podcast feed, we've taken the show you know and love and brought it to the live stage!

3I/ATLAS, The Great Attractor and parent black holes 14.08.2025

What's on the other side of a black hole? How hot does 'hot' go? And seriously, what came first: the chicken or the egg? Dr Karl and Krystal De Napoli answer these questions and more on triple j Mornings with Lucy Smith during National Science Week.

A Special Message from Dr. Karl! 09.08.2025

Dr. Karl is jumping into your feeds with a very important message!

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