Dr Karl Podcast
ABC (Australia)
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!
Location:
Sydney, NSW
Networks:
ABC (Australia)
Description:
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!
Twitter:
@doctorkarl
Language:
English
Contact:
1300 0555 36
Episodes
Human buoyancy, acclimatising and syncing periods
1/28/2026
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.
Duration:00:42:00
Human cannonballs, outrunning the Sun and burning beds
1/7/2026
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.
Duration:00:19:00
Hangovers, mosquitos and manifestation
12/31/2025
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!
Duration:00:25:00
Bionic eyes, poop schedules and aphantasia
12/24/2025
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!
Duration:00:29:00
The age of space, explosive planets and black hole portals
12/17/2025
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!
Duration:00:27:00
Disappearing poos, capsaicin receptors and cane toads
12/10/2025
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.
Duration:00:40:00
The speed of darkness, sticky spider webs and drinking snow
12/3/2025
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.
Duration:00:38:00
Hair loss, bone density and body glitter vs. sunscreen
11/26/2025
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.
Duration:00:38:00
Hair of the dog, photographic memories and shingles
11/19/2025
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.
Duration:00:40:00
Frozen vs fresh veggies, soap suds and nangs
11/12/2025
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.
Duration:00:38:00
Frisson, cryogenic freezing and thylacines
11/5/2025
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.
Duration:00:39:00
Pollen peaks, jump scares and alcohol vs mood
10/29/2025
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.
Duration:00:42:00
Butt breathing, plovers and flammable water
10/22/2025
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.
Duration:00:38:00
AI consciousness, sleep paralysis and onion tears
10/15/2025
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.
Duration:00:40:00
Motion sickness, 3I/ATLAS and cross-breeding
10/8/2025
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.
Duration:00:39:00
The science of cringe, meat juice & psychedelic shrimp
10/1/2025
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.
Duration:00:43:00
Fibre, the carnivore diet & drunk hamsters
9/24/2025
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.
Duration:00:42:00
Smelly sneezes, stress seizures & sound proofing
9/17/2025
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.
Duration:00:39:00
BONUS: Parmigianas, shopaholics and small talk
9/9/2025
It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!
Duration:00:19:00
Hypnotism, Sunscreen and Simulation Theory
9/3/2025
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.
Duration:00:39:25