Dr Karl Podcast
Episodes
Sink holes, rewiring the brain and spontaneous orgasms
10 Feb 2022
Contributed by Lukas
How do clouds work? Will carrots turn you orange? Do our hair and nails keep growing after we die?Dr Karl answers these questions and more, on triple...
Ice cubes, showers, urine
03 Feb 2022
Contributed by Lukas
Why do ice cubes taste different to water? Do men have worse smelling urine than women? Is showering too often bad for your skin? Dr Karl answers the...
Sleep paralysis, disappearing sneezes, carnivorous plants
27 Jan 2022
Contributed by Lukas
What can you do to prevent sleep paralysis? When a sneeze disappears, where does it go? Why do carnivorous plants exist?Dr Karl answers these questio...
Freezing bread, lightyears, energy drinks
20 Jan 2022
Contributed by Lukas
When is the best time to freeze bread? How do we measure lightyears? Are sugar-free energy drinks worse for you than their sugary counterparts?Dr Kar...
Squirrel survival, testosterone, lightning trees
13 Jan 2022
Contributed by Lukas
Why does the gym make me gassy? Do bugs have blood types? Does sound travel further at the beach?Dr Karl answers these questions and more, on triple ...
Bonus Episode: Giant asteroids, end of the world, aliens
17 Dec 2021
Contributed by Lukas
What would we do if a giant comet was hurdling towards Earth?
Global warming, Double yolked eggs and Maggots
09 Dec 2021
Contributed by Lukas
Is it possible to be too healthy? What happens if we're busting to wee and hold it? Do men get sleepier than women after sex?Dr Karl answers these qu...
Sunset, sweet cravings, ice cubes
02 Dec 2021
Contributed by Lukas
How do they predict sunrise and sunset so accurately? Why do people often crave sweet things after dinner? Does hot water actually freeze quicker tha...
Big noses, hot showers, sleep debt
25 Nov 2021
Contributed by Lukas
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 lat...
Food cravings, giraffe tongues, white holes
18 Nov 2021
Contributed by Lukas
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 a...
Rainbows, breath mints, handwriting
11 Nov 2021
Contributed by Lukas
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...
Happy tears, immortal trees, reflections
04 Nov 2021
Contributed by Lukas
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 trip...
Egg heads, Vitamin D and time as we know it
28 Oct 2021
Contributed by Lukas
How are seedless fruits grown? Why are peanuts the most common allergen? Can painkillers target specific parts of the body?Dr Karl answers your scien...
Extra limbs, bald daddies and undies in the wash
21 Oct 2021
Contributed by Lukas
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...
Probiotics, stinky farts and red, red wine
14 Oct 2021
Contributed by Lukas
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 & Pr...
Seeing stars, sleep talking magpies, random memories
07 Oct 2021
Contributed by Lukas
Do magpies talk in their sleep? Can the moon get earthquakes? Is technology stunting our evolution?Dr Karl answers your science questions on triple ...
Spider thoughts, biting cats, anxious dogs
30 Sep 2021
Contributed by Lukas
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...
Fingerprints, wombat poo, earthquakes
23 Sep 2021
Contributed by Lukas
Why is wombat poo shaped like a cube? Does breakfast actually kickstart your metabolism? How much does your DNA determine your intelligence? Dr Karl...
Ivermectin, spicy chilli, post-pandemic life
16 Sep 2021
Contributed by Lukas
Is there any proof that Ivermectin combats COVID-19? Will life ever be the way it was before the pandemic? If the whole world was sprayed with disinf...
Desires, vaping, cremation
09 Sep 2021
Contributed by Lukas
Is vaping less damaging than cigarettes? When you hurt yourself, does 'rubbing it better' actually do anything to help? What's better for the environ...
Ear candles, mullets, nose training
02 Sep 2021
Contributed by Lukas
What would happen if we woke up one morning and the earth was spinning the other way? Can human beings improve their sense of smell? Do ear candles a...
Forgetting memories, hydrogen fuel, wet trampolines
26 Aug 2021
Contributed by Lukas
Can we train our brains to forget things? Why do some people float in water and others sink? Do you jump higher on a wet trampoline?Dr Karl answers t...
Eating boogers, moon mining, changing flavours
19 Aug 2021
Contributed by Lukas
Why do we shudder after we yawn? Why do some humans feel compelled to eat their boogers? Why does hot water clean things better than cold water? Dr...
Dad bods, taste buds, hydrogen water
12 Aug 2021
Contributed by Lukas
Can you catch a yawn from a dog? Is Hydrogen charged water just a fad? Do animals get dad bods once they find a mate? Dr Karl answers these question...
Vaccines, fingernails, static electricity
05 Aug 2021
Contributed by Lukas
How did scientists create COVID-19 vaccines so quickly? Why can't we control the beat of our hearts like we can control the breath in our lungs? How ...
Bionic humans, floaters, eye transplants
29 Jul 2021
Contributed by Lukas
Why do bones stop growing? Why does having to pee take over all your thoughts? What would happen if you microwaved a human being?Dr Karl answers thes...
Black holes, blue tongues and gagging
22 Jul 2021
Contributed by Lukas
How realistic are alternate realities? Why does sleeping with a quilt on make us have bad dreams? Could we survive on a desert island with only corn ...
Diamonds, inbred animals, climate change
15 Jul 2021
Contributed by Lukas
Why hasn't any other being evolved to have human-level intelligence and consciousness? Why do your teeth move during pregnancy? Is climate change eff...
Brain freeze, ocean fire, fingers
08 Jul 2021
Contributed by Lukas
Do birds recognise humans? What is brain freeze? How do we find dinosaur bones?Dr Karl answers these questions and more, on triple j mornings with ho...
Science of movies special!
01 Jul 2021
Contributed by Lukas
Dr Karl takes on your movie science questions on triple j mornings, with host Lucy Smith and science communicator Petr Lebedev.Spoiler alert for the ...
Space junk, pain, jump scares
24 Jun 2021
Contributed by Lukas
Do flavours "get to know each other" when cooking? Why do tattoos survive cell regeneration? What's the science behind grief?Dr Karl answers these qu...
Dog dreams, break-ups, manifestation
17 Jun 2021
Contributed by Lukas
When do babies get nightmares? What would the world be like without The Industrial Revolution? Why is the last sip of coffee always cold?Dr Karl answ...
Intergenerational trauma, adult circumcision and walking on cold floor
10 Jun 2021
Contributed by Lukas
Why does hair retain the smell of smoke? How does intermittent fasting work? Why do we speed up when overtaking?Dr Karl answers these questions and m...
Indigenous astronomy, monstrous burps, animal milk
03 Jun 2021
Contributed by Lukas
Do chickens have feelings? Can you make custard from platypus milk? Where did Indigenous people get their calcium before cows?Dr Karl answers these q...
Solar flares, sailors delight, planes in rain
27 May 2021
Contributed by Lukas
Are "dog years" a scientific fact? Is it more efficient to walk up stairs two at a time? Why do my hands tingle after using my sander?Dr Karl answers...
Megalodons, cat allergies, hazel eyes
20 May 2021
Contributed by Lukas
Why do hazel eyes change colour? Does hot water freeze faster than cold water? Why am I allergic to certain cats?Dr Karl answers these questions and ...
Spanish Flu, earworms, motion sickness
13 May 2021
Contributed by Lukas
What makes hair go curly? How can you stop wrinkles? Do shorter people use more energy then tall people?Dr Karl answers these questions and more, on ...
Headaches, bungee cords, beards
06 May 2021
Contributed by Lukas
Why does coffee effect people differently? Can you train your pain thresholds? Why do my legs twitch when I sleep?Dr Karl answers these questions a...
Cheese dreams, fasting, strong bones
29 Apr 2021
Contributed by Lukas
Is any multi-vitamin juice good for you? Does drinking milk gives you acne? Does eating cheese give some people nightmares?Dr Karl answers these ques...
Earworms, Christmas Lights and Itches
22 Apr 2021
Contributed by Lukas
Are dogs mouths cleaner than ours? What are we looking at when we look at a planet? And what is actually going on at 'Magnetic Hill'?Dr Karl answers ...
The fourth dimension, rogue hairs, wild vegetables
15 Apr 2021
Contributed by Lukas
What is a stitch? Why do we grow random long hairs? Can we eat boogers?Dr Karl answers these questions and more, on triple j mornings with host Abby ...
Doppelgängers, daylight savings, eye colour
08 Apr 2021
Contributed by Lukas
How long could we live without the sun? Why do my veins swell in the heat? When will Mars settlers be called Martians?Dr Karl answers these questions...
Nose yoga, ice cubes, time travel
01 Apr 2021
Contributed by Lukas
Why don't plastic containers dry properly? Do ball sacks have tastebuds? Why did my glass door explode?Dr Karl answers these questions and more, on t...
Flood water, shopping trollies, cat purring
25 Mar 2021
Contributed by Lukas
Will Australia be underwater in the future? Could you cook a chicken with body heat? Why are electric kettles so loud?Dr Karl answers these questions...
Ducks, body clocks, dinosaurs
18 Mar 2021
Contributed by Lukas
How does the brain deal with anxiety? Do ducks like the rain? Could you scream in space?Dr Karl answers these questions and more, on triple j morning...
Methane, artificial intelligence, pre-made meals
11 Mar 2021
Contributed by Lukas
Are there any new deserts? Why does being sick make me feel better? Does Autumn change the worlds oxygen levels?Dr Karl answers these questions and m...
Overnight shifts, spider clouds, spit
04 Mar 2021
Contributed by Lukas
Do crystals absorb energy? Why does some poop float? Can a broken heart hurt you physically?Dr Karl answers these questions and more, on triple j mor...
Electric vehicles, body temperature, mowing
25 Feb 2021
Contributed by Lukas
Why does anxiety make my hands tingle? Why doesn't corn digest properly? Could we ever shift the axis of the earth?Dr Karl answers these questions an...
Public toilets, naked flames, tattoo pain
18 Feb 2021
Contributed by Lukas
What's the frame rate of our eyes? Does gut bacteria cause depression? What would happen if mosquitos became extinct?Dr Karl answers these questions ...
Birth control, sea urchins, auras
11 Feb 2021
Contributed by Lukas
Does a spoon keep champagne bubbly? Why do I cough when using an earbud? Why do animals sense disasters?Dr Karl answers these questions and more, on ...
Fog, weight training, artificial suns
04 Feb 2021
Contributed by Lukas
Why don't humans hibernate? What's the best way to hang washing? Why am I attracted to dark haired people?Dr Karl answers these questions and more, o...
Rusty sunscreen, anti-depressant yawns, road bubbles
28 Jan 2021
Contributed by Lukas
Could one side of my mouth be dominant? What makes chilis so hot? Why do little bubbles form on the road after rain?Dr Karl answers these questions a...
Rainforests, grey hairs, tastebuds
21 Jan 2021
Contributed by Lukas
Could nightmares be genetic? Why does the weather affect my asthma? Can I outrun a giraffe?Dr Karl answers these questions and more, on triple j morn...
Penguins, orgasms, flat earth
17 Dec 2020
Contributed by Lukas
Is the Earth flat?Why do penguins wobble when they have knees?What is the biological function of the female orgasm?Dr Karl answers these questions an...
Space magnets, asteroids, coral sex
10 Dec 2020
Contributed by Lukas
Do magnets work in outer space?What would happen if you opened a jar from space on Earth?Do germs have the ability to move on their own?Dr Karl is jo...