

Dr Karl Podcast
triplej
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

Nov 25, 2021 • 40min
Big noses, hot showers, sleep debt
Do people with bigger noses have a better sense of smell? Why do we like hot showers so much? Do you need to pay back a sleep debt if you stay up late and wake up early?Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Nov 18, 2021 • 37min
Food cravings, giraffe tongues, white holes
Why do we crave certain foods even if it's been years since we last ate them? Why do giraffe's have blue tongues? We know black holes exist, but do are there also white holes?Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Nov 11, 2021 • 37min
Rainbows, breath mints, handwriting
Why do rainbows form in perfect arcs across the sky? Why does drinking water after eating a mint make the water feel so much colder in your mouth? Is handwriting hereditary?Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Nov 4, 2021 • 38min
Happy tears, immortal trees, reflections
Why do we sometimes cry when we're happy? Can trees live forever? How do reflections actually work? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Oct 28, 2021 • 37min
Egg heads, Vitamin D and time as we know it
How are seedless fruits grown? Why are peanuts the most common allergen? Can painkillers target specific parts of the body?Dr Karl answers your science questions on triple j mornings with Lucy Smith.

Oct 21, 2021 • 38min
Extra limbs, bald daddies and undies in the wash
How can you keep coffee hotter for longer? What's the purpose of fingernails? Can birds get struck by lighting?Dr Karl answers your science questions on triple j mornings with Lucy Smith.

Oct 14, 2021 • 38min
Probiotics, stinky farts and red, red wine
Is it better for the environment to burp or fart? Why am I hungrier when I eat more regularly? Can you overcome a food gag reflex? Dr Karl & Professor Clare Collins answer your questions on nutrition, dietetics and science on triple j mornings with Lucy Smith.

Oct 7, 2021 • 36min
Seeing stars, sleep talking magpies, random memories
Do magpies talk in their sleep? Can the moon get earthquakes? Is technology stunting our evolution?Dr Karl answers your science questions on triple j mornings with Lucy Smith.

Sep 30, 2021 • 28min
Spider thoughts, biting cats, anxious dogs
What do spiders think about when they're sitting in their web awaiting their prey? How can you help your dog if it has separation anxiety? You have a cat that won't stop biting you. Why? And what can you do to stop it? This week we hone in on all your questions about pets and animals. Veterinary specialist and animal behaviour expert Dr Kersti Seksel joins Dr Karl on triple j mornings with Lucy Smith.

Sep 23, 2021 • 39min
Fingerprints, wombat poo, earthquakes
Why is wombat poo shaped like a cube? Does breakfast actually kickstart your metabolism? How much does your DNA determine your intelligence? Dr Karl answers your science questions on triple j mornings with Lucy Smith.


