Dr Karl Podcast

Does light travel forever? Why does the dancefloor get so sweaty? And can your friends match your freak? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why are chocolate and coffee the perfect pair? What's the point of having hairy feet? And how do you make the perfect frozen marg? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Does a plucked hair grow back?  Why does nicotine suppress your appetite? And how high is the sky? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith

Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.

Where is the centre of the universe? What would happen if the speed of light increased? And what is Dr Karl's favourite maternity fact? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Would we die without dioxygen? Where did spiders come from? And can you learn to hack the cold? Dr Karl and Zoe Kean (OAM!) answer these questions and more on triple j Mornings with Lucy Smith.

Does Missy Higgins have geometrically impossible standards? How high do hot air balloons go? And how much is too much 'Sugar On My Tongue'?   Dr Karl answers these questions and more in this special episode of Science with Dr Karl with Lucy Smith.

What's the fastest way to cool down a room? How helpful is a stiff drink on a sick day? And is weeing in the shower good for you?  Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about life hacks!

Does Halsey understand DNA properly? How long should we cryogenically freeze ourselves for? And can we learn how to remember everything? Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about the human body!

How much can a black hole consume? Would anything happen if we all jumped at once? And which planet would have the best gigs? Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about space!

What muscles are required for a yawn? How does jewellery affect our skin? And what's the connection between atoms and physical pain? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How far into space could we hear the Js? What actually causes 'the runs'? And is drinking snow hydrating? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can you taste with just a sense of smell? Is it possible for your immune system to reset? And what causes period shits? Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith.

Where does all our energy go when we die? Why do humans laugh? And is rain water or tap water better for plant growth? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Would an invisible person be blind? Can you have too much muscle? And who teaches bees how to make honey? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What's the deal with Neil the Seal? Can you sniff a fart away? And what does sickness smell like? Dr Karl and Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.

Is there a link between albedo and climate change? Are four-leaf clovers really that lucky? And could ants rule the world? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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.

Do ants outweigh humans? Are we getting any more water on Earth? And why do dreams leave us on cliffhangers? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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.

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.

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.

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.

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.

It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!

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.

It turns out, you have A LOT of science (and not-science) questions for Dr. Karl - and he's going to answer them!

What would happen if we all jumped at once? Is there anything a black hole can't swallow? And what cooks faster, baked or boiled sweet potato? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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!

Why does saliva assist suction (get your head outta the gutter!)? Can our eyes really change colour? And which planet would host the best for gigs? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

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!

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.

Dr. Karl is jumping into your feeds with a very important message!

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.

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.

Was there rain during the ice age? Why do back scratches feel so good? And how does Dr. Karl start his day? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is dirt as dirty as it seems? What's the purpose of a virus? And is Australia apocalypse-ready? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How do First Nations teachings inform modern-day science? Do animals love the same way humans do? And how do spiders find their way home? Dr Karl, Corey Tutt and Tiahni Adamson answer these questions and more for this NAIDOC Week special of Science Hour on triple j Mornings with Lucy Smith.

Do bees have different personalities? Can local honey really cure your allergies? And how can we support native bee populations? Bee expert Clancy Lester and Bianca Nogrady answer these questions and more on triple j Mornings with Lucy Smith.

Could we evolve into sea being if we were in water enough? What causes knots in your muscles? And do fish ever get thirsty? Bianca Nogrady answers these questions and more on triple j Mornings with Lucy Smith.

Why is the dead of night so cold? Can the Earth generate its own electricity? And can we clear up whether water is clear? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why is it colder the closer we get to the Sun? Are stiff drinks or soft drinks better for fighting sickness? And can we recreate the human brain? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How did a crackle of cockatoos figure out a water bubbler? Why do we get weak - literally - when we laugh? And would having an exoskeleton be all it's cracked up to be? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How scientifically accurate is Bee Movie? What would happen if the Earth had a twin? And what is Dr. Karl's favourite story? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can we sniff our farts away? Are birthday twins just a coincidence? And why do menstrual cramps hurt more than stomach aches? Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

Is it possible to turn into your roommates? How did the living DNA code come to exist? And when did we first start using kitchen utensils? Dr Karl and Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.

Does blending ingredients in a smoothie destroy their nutrients? How do we distinguish between phantom smells and real smells? And are infrared saunas safe? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why am I always running out of conditioner before shampoo? How come mozzies bite some people and not others? And does a dog's sense of smell give it a better memory? Dr Karl answers these questions and more on triple j Mornings with Jaimee Taylor-Nielsen.

What influences intelligence? Does the earth's rotation affect flight time? And what temperature will de-fog your windscreen? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is it possible to breathe through our ears? Why do we always queue in a snake form? And what's hiding in the rest of the ocean?     Dr Karl answers these questions and more on triple j Mornings with Jaimee Taylor-Nielsen

What would happen if the Moon was bigger than Earth? How is sandpaper made? And does glue dry in space? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Do cortisol detoxes work? Can our bodies predict rain with pain? And is this Halsey lyric - ‘the father's DNA stays inside the mother for 7 years’ - scientifically accurate? Bianca Nogrady and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith.

Do animals have different blood types? How was the earth's core created? And back to basics - why is the sky blue? Bianca Nogrady answers these questions and more on triple j Mornings with Lucy Smith.

Why are we so helpless as babies? Are cats targeting people with allergies? And if we could bring back dinosaurs, would they survive? Zoe Kean answers these questions and more on triple j Mornings with Lucy Smith.

How does our body tell us we're thirsty? Do trees get cancer? And if the entire world flooded, could we all turn into fish people?   Bianca Nogrady answers these questions and more on triple j Mornings with Lucy Smith.

Where is wind going? Are ants able to predict rain? And why do sportspeople train at higher altitudes? Bianca Nogrady answers these questions and more on triple j Mornings with Lucy Smith.

Why does the contraceptive pill affect your dreams? Can your pet watch you weld? And is there a science behind the tension shifting in a room? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What are the most effective ways to decrease exposure to microplastics? Is there a link between planet alignment and weather patterns? And what would happen if an asteroid hit the earth? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What’s the next step in human evolution? Are there any land animals that produce electricity? How do bees select their flowers? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What's the difference between AM and FM radio? Why does plucking our eyebrows make us sneeze? And how do you stop a fart from following you into the next room? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is time an illusion? Do our brains lie to us after a late-night shift? And why did our bodies decide we don't need hairy feet? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What would it take to shift the Earth's axis? How does the body process radiation from the sun? And is memory an innate skill or something we learn? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What invasive species tastes the best? What would happen if we eradicated feral cats? And how does your body respond when you start eating meat again after years of being vegetarian?  Dr Karl and special guest Professor Phill Cassey answer these questions and more on triple j Mornings with Lucy Smith.

How long can humans survive without food? Why does coffee taste different when it goes cold? And will quantum computing and AI be the end of humanity?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

In the last episode of our three-part summer series, we’ll be looking back at your best questions about the human body. We’ll delve into questions like does drinking apple cider vinegar improve gut health? How effective are collagen supplements? And what happens if you hold your urine in for too long?

In this episode of A Summer of Science, we’ll be looking back at your best questions about the future. We’ll dive into how reintroducing extinct animals might shape our future, if robots will take our jobs, and what cool burning is and the role it might play in an increasingly warmer climate.

Over the next three weeks, we’ll be looking back at your best questions of 2024 and we’re kicking things off with space.  In this episode we’ll answer things like is there any science behind astrology? Can you have sex in space? And do aliens really exist?

Does your blood type impact your dietary requirements? Is blue green algae safe to swim in? And why are there so many cicadas around this year?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can we really hear the ocean in a seashell? What is considered the "right" amount of water? And why do our ears pop when we have the windows down while driving? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Does intermittent fasting affect your metabolism? Why do you feel nerves in your gut? And could hay fever reignite food allergies? Dr Karl and special guest Dr Clare Collins answer these questions and more on triple j Mornings with Lucy Smith.

Why do we have eyebrows? Is there a way to predict the future of evolution in humans? And what would our doctors ask Charles Darwin at a dinner party?  Dr Karl and special guest Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.

How does alcohol affect your sleep? Can energy be destroyed? And how do snakes stay so clean? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What impact would living on Mars have on our bodies? Could we ever have 'Earth' on our identification? And how are the astronauts stuck on the International Space Station going? Dr Karl and special guest Dr Adrian Brown answer these questions and more on triple j Mornings with Lucy Smith.

Is math a human invention or something we discovered? How many ways are there to count? And can math offer a solution to microplastics?  Dr Karl and special guest Matt Parker answer these questions and more on triple j Mornings with Lucy Smith.

How realistic are shark attacks in movies? Why are there no monkeys in Australia? And how important are breathing exercises?  Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith.

Will humans ever evolve to be immune to cancer? How effective are shark bands for surfers? And are our dreams made of atoms?  Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith.

Why do some people have a higher caffeine tolerance? How common is shingles in people under the age of 30? And why don’t any mammals have green fur?  Dr Karl answers these questions and more on triple j Mornings with Jordan Barr.

Do animals get jet lag? How do snakes dig holes if they have no arms? And what impact would the reintroduction of extinct animals have on existing species?  Dr Karl and special guest Dr Marissa Parrott answer these questions and more on triple j Mornings with Lucy Smith.

Why do I need to pee every time I get to my front door? How long could you survive in a car with just air conditioning? And does your sleep schedule matter as long as it's eight hours? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Are electric vehicles still better for the environment if you charge them with a non-renewable energy source? What happens if you hold your urine for too long? And can you get the physical symptoms of anxiety without feeling anxious?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How much air pollution do space launches cause? Why don’t babies get bad breath in the morning? And is it true your immune system doesn’t know you have eyes?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why does my Bluetooth speaker glitch when I'm using the microwave? Can fears be genetically passed down? And will there be another major evolutionary period for humans? Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

How small does an animal need to be to survive a great fall? Is it safe to reheat tea or coffee in the microwave? And how are magnets made?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Are we really eating spiders in our sleep? Do bees have knees? Why are cockroaches so resilient? Dr Karl, Dr. Robert Puckett and Jess Ward-Jones  answer these questions and more on triple j Mornings with Lucy Smith.

Can AI rewrite its own software? How much water would we need to take to the moon to make it inhabitable? And are robots going to take our jobs? Dr Karl and special guest Dr Matt Agnew answer these questions and more on triple j Mornings with Lucy Smith.

Why are we seeing Olympic records in some sports but not others? Does cracking your fingers actually give you arthritis? And if someone ate a diet of only lavender, would their farts smell nice? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Are there more planets than grains of sand on earth? Does food go mouldy in space? And have we started training astronauts to visit Mars?  Dr Karl and special guest Katherine Bennell-Pegg answer these questions and more on triple j Mornings with Lucy Smith.

Is urine sterile enough to clean a wound? Why do our noses run so much in the cold? And can you change your sex drive? Dr Karl and Dr Naomi Koh Belic answer these questions and more on triple j Mornings with Lucy Smith.

Is height predetermined at birth? Could plants have memories? And when we die, is it more environmentally friendly to get cremated or buried?  Dr Karl and special guest Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.

How do some trees survive extreme bushfires? Where did AI begin? And what's the climate change issue that's not getting enough coverage? For this NAIDOC Week special, Dr Karl is joined by Tiahni Adamson to answer these questions and more on triple j Mornings with Lucy Smith.

Why does it become harder to learn things as we get older? If you injured yourself in space, would it hurt as much as it would on earth? And why does cheese taste better melted?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can long term use of cannabis change your eye colour? Why do adults feel the cold more than kids? And what will the next stage of human evolution look like?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why does our skin dry out more in winter? If you were born deaf and blind, how would you think? And is sparkling water just as hydrating as regular water?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What role do genetics play in determining how smart someone will be? Why are rainbows always the same shape and colour? And where do the vitamins in fruit and vegetables come from? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

If all planets are stuck in the sun's gravitational pull, what stops them from being completely pulled into the sun? Does melting cheese change its nutritional value? And could we genetically modify before birth? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can we harness the power of earthquakes? Why don't dogs have bellybuttons like us? And why tf do you sometimes see one little cloud in a clear sky? Dr Karl answers these questions and more, on triple j Mornings with Ruby Miles.

What kind of math formulas go into AI? What influences our biggest fears? And can humans acclimatise to every weather condition? Dr Karl and special guest Tom Crawford answer these questions and more, on triple j Mornings with Lucy Smith.

Can eating certain foods change the taste of bodily fluids? Why do I get congested after a night out drinking? And why does armpit hair stop growing at a certain length? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What's actually happening when you get the wind knocked out of you? Why does swallowing combat yawning? And could we ever visualise someone else's pain? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.