

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

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!

Aug 28, 2025 • 42min
Changing seasons, vape smoke and heat cream vs. hand lotion
What would happen if everyone jumped at once? Dr. Karl addresses this along with black holes and the mysteries of peeling boiled eggs. Discover how changing seasons affect our biology, including skin pigmentation and freckles. The podcast dives into ants and their attraction to electricity, linking their behavior to electromagnetic sensitivity. Culinary debates heat up as cooking methods for sweet potatoes are compared. And stay tuned for insights on why dogs love that wind-blown feeling while riding in cars!

Aug 23, 2025 • 39min
Science with Dr. Karl LIVE - Hosted by Lucy Smith: Part Two!
Join the lively discussion as humor and science collide! Explore the romantic science behind fogging car windows and the playful physics of movement and sound. Delve into the mysterious 'brown note' and ponder the possibilities of teleportation. Discover the explosive reactivity of sodium and the quirks of fiber shedding in clothing. Enjoy personal anecdotes sprinkled with humor while reflecting on urban myths and the triumphs of live science events. This is a delightful blend of knowledge and laughter!

Aug 21, 2025 • 41min
Manifestation, earthquakes and sun sneezes
Discover the science behind why saliva enhances suction. Learn how different planets might impact live music performances. Dive into the peculiar phenomenon where sunlight makes some people sneeze, and explore the genetics behind it. Hear fascinating insights on the extreme rainfall linked to climate change in Australia. Plus, find out why Tasmanian food is often deemed superior, tying in personal anecdotes with scientific reasoning. This lively discussion mixes quirky facts with serious scientific exploration, guaranteed to entertain and inform!

Aug 16, 2025 • 54min
Science with Dr. Karl LIVE - Hosted by Lucy Smith: Part One!
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!

Aug 14, 2025 • 41min
3I/ATLAS, The Great Attractor and parent black holes
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.

Aug 9, 2025 • 1min
A Special Message from Dr. Karl!
Dr. Karl is jumping into your feeds with a very important message!

Aug 7, 2025 • 42min
Star colours, harvesting lightning and undiscovered elements
Why is gossip so irresistible? Which is faster between heating and cooling? And do we need to prepare for aliens this November?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Jul 31, 2025 • 39min
Second winds, fish farts and hot chips
How old is space? Why do we need sleep? And what determines our poop schedule?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.