Dr Karl Podcast

The full moon, earworms & tickling 

Why does cola taste different when it's in a can? How come we shouldn't reheat meat more than once? And why do we sneeze when we get into hot cars? Dr Karl answers these

Honeybees, climate change and pollination

Why is the sun so good at removing tomato stains? Why do plants change colour in response to cold weather? And are we getting closer to what was portrayed in the movie Av

Radio stars, spiral galaxies and threadworms

When will Australia have a total solar eclipse? What determines the life cycle of a star? And why does our body go into 'survival mode'?  Dr Karl answers these questions

The third eye, scented candles and norovirus 

Why do our ears produce wax? What is the storage capacity of the human brain? And will we ever run out of music combinations?  Dr Karl answers these questions and more o

Black tea, pins & needles and toilet doors 

Does sneezing cure nausea? Why do brown paper bags ripen produce? And how does aromatherapy work?  Dr Karl answers these questions and more on triple j Mornings with Luc

Calcium v. iron, E=mc² and The Pill 

Is nicotine a laxative? Are mental health conditions hereditary? And can you retrain gut bacteria? Dr Kate Thomas, Dr Caitlin Thurn and Dr Karl answer these questions an

Axolotls, hydration and escalators 

What does space smell like? Why does a beer taste different with breakfast? And why is the 'feels like' temperature different to the actual temperature? Dr Karl answers

Endometriosis, oversleeping and 'irritable male syndrome'

Does sex get rid of a headache? If you're on hormonal contraception, do you still release an egg each month? And when you eat corn, why does it come out the other end in

Alzheimer's, furry friends and spider webs

Why do our dogs love us so much? Can the temperature change our sense of smell? And could the evolution of dinosaurs happen again? Dr Karl answers these questions and mo

Cold sores, facial hair and double rainbows

Why do you get a full body shiver after using the toilet? Why is the sky a different colour in WA? And why are celestial orbits on the same horizontal plane? Dr Karl ans

Dirt bikes, flat earthers and illegal drugs

How do one way mirrors work? Why do you need to sneeze when you look at the sun? And why does driving feel faster at night? Dr Karl answers these questions and more on t

Thylacines, blocked noses and bird flu 

How different would the environment be if the thylacine wasn't wiped out? Are animal sightings symbolic? And why do bower birds collect blue items? Dr Karl and Deadly Sc

Pokémon, off-grid festivals and cannabinoids 

Why is red light more environmentally friendly? Which science fiction is the most realistic about our present and future? And what triggers thirst versus hunger? Dr Karl

The meaning of life, shark attacks and the Large Hadron Collider

What is the best kind of shade? Why are some rocks older than others? And is winter the dustiest season? Dr Karl answers these questions and more on triple j Mornings wi

Gamer brain, VR immersion and gacha gambling

Can we be profiled by the video games we play? Why does time fly when you're having fun? And what can gaming teach us about real-world science? Dr Karl and Professor Mar

Shower farts, regenerative bodies and bass face

Should you depart from your favourite dish? How soon can we become superhumans? And where is the universe going? Dr Karl answers these questions and more on triple j Mor

Dog breath, ugly cry face and sleeping pelicans

What is the best method for dunking biscuits in a hot cuppa? Does water weigh the same inside our bodies as out? And is telling a burp from a fart just a gut feeling?  D

Magic mushrooms, hiccup rhythms and meteorites

What will humans evolve next? How do our phones make 3D scans? And why do random objects appear in the ground?   Dr Karl answers these questions and more on triple j Mor

Peptide tans, brain charge and seeing in the dark

Are we being stalked by fish? Can pine cones predict the weather? And how do planes actually take off? Dr Karl answers these questions and more on triple j Mornings with

The history of burials, mushroom spore suits and hydro cremation

Why are we obsessed with true crime? Do we need to be afraid of death? And does our water come from dead people? Dr Karl and Dr Hannah Gould answer these questions and m