Dr Karl Podcast
triple j
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!
Episodes
Mentioned books
Oct 23, 2025 • 38min
Butt breathing, plovers and flammable water
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.
Oct 16, 2025 • 40min
AI consciousness, sleep paralysis and onion tears
Explore the intriguing idea of quantum mechanics and its potential ties to consciousness. Discover the mystery behind why our dreams often leave us hanging at the most exciting moments. Learn the surprising chemistry behind onion tears and effective cutting techniques to avoid them. Delve into whether ants collectively outweigh humans and the fascinating world of time perception in small animals. Plus, uncover the science of sleep paralysis, its causes, and some coping strategies to deal with it.
Oct 9, 2025 • 39min
Motion sickness, 3I/ATLAS and cross-breeding
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.
Oct 2, 2025 • 43min
The science of cringe, meat juice & psychedelic shrimp
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.
Sep 25, 2025 • 42min
Fibre, the carnivore diet & drunk hamsters
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.
Sep 18, 2025 • 39min
Smelly sneezes, stress seizures & sound proofing
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.
Sep 11, 2025 • 39min
Wee-Lemons, Life On Mars & Moon Balloons
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.
Sep 10, 2025 • 19min
BONUS: Parmigianas, shopaholics and small talk
It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!
Sep 4, 2025 • 39min
Hypnotism, Sunscreen and Simulation Theory
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.
Sep 3, 2025 • 27min
BONUS: Life on Mars, bum cracks and the power of optimism
It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!
