Dr Karl Podcast

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.

If the whole population stood in one spot and ran would the earth spin like a treadmill? What would happen if gravity didn’t exist? And are farts powerful enough to propel you in space?Dave from Glass Animals asks these questions and more on this bonus episode of Science with Dr Karl.

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.

Why is it so dangerous to look directly at a solar eclipse? How do we know that all foods taste the same to every person? And the big question - do aliens exist? Dr Karl and special guest, Kirsten Banks, answer these questions and more on triple j Mornings with Lucy Smith.

Why does my voice wobble when I have vulnerable conversations? Why does food taste different at different temperatures? And how do you grow seedless mandarins if they have no seeds?Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

What impact does trauma have on your memory? Why do chillies burn your tongue and lips but not your throat? And could octopuses take over the world? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why do some medications reduce your sex drive? Why do dogs bite their own tail? And if you were preparing for the end of the world, what is the one medication you would take with you?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

What is it about beans that make us fart? Why do we lose muscle so quickly? How does a drink's temperature impact its fizz?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why do old people have such a distinctive smell? What would happen if gravity suddenly doubled? And why do my limbs always swell during a flight?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is it possible to speed up or slow down the speed of sound? Will stars eventually become invisible to the naked eye? And what would happen if you took your space suit off in space?Dr Karl and special guest, Dr Laura Driessen, answers these questions and more on triple j Mornings with Lucy Smith.

What does space smell like? Is the youngest sibling technically more elite? And do bushfires burn at a lesser intensity when at higher altitudes?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why does the sun feel hotter on certain days? What would happen if an astronaut sneezed inside his helmet while in space? And does drinking lots of water make you sweat more?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How important are orgasms to our mental health? What would happen if the world stopped spinning? And would expired milk be safe to drink if you boiled it?Dr Karl answers these questions and more on triple j Mornings with Ash McGregor.

Does working out increase your sex drive? Should we be worried about seagulls eating too many chips? And how has a stingray who's had no contact with males for eight years become pregnant?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Can drinking apple cider vinegar improve gut health? Is it okay to put chicken in the fridge while it’s still hot? And how does the carnivore diet affect the body?Dr Karl and special guest, Professor Clare Collins, answers these questions and more on triple j Mornings with Lucy Smith.

Are we connected to all our muscles? Why do I get sleepy when I have passengers in my car? Does drinking alcohol through a straw get you drunk faster?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How does a shark smell blood in water? Does jet lag feel worse when travelling east to west? Should we be worried about the bacteria between our toes? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Could you sunbathe on the moon? Does the atmosphere alter our vision? Does the earths magnetic field impact gravity?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Does sex impact sporting performance? What is antibiotic resistance? Should we give plastic trees the axe?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

How do we remove earwax safely? Why is it cold at the peak of a mountain if hot air rises? Why don't scars tan?Bianca Nogrady answers these questions and more on triple j Mornings with Lucy Smith.

Can thunder hurt you? Why is my skin sticky? Why do I have the exact same dream every night?Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Why do certain tracks make us cry?How can a song take you back to a specific moment in time?What influences your music taste?Dr Karl & Dr Solange Glasser, Senior Lecturer in Music Psychology at the Melbourne Conservatorium of Music, answer these questions and more on triple j Mornings with Lucy Smith.

If I hold my nose when i sneeze, will my eyes pop out? Why can't we grow arms and legs back? Why do we cry?Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith & Dr Theresa Larkin, Associate Professor at the University of Wollongong.

Where are all the Christmas beetles? Why do some mammals sweat and others don't? If the cells in our body get replaced every 7 years - why do our tattoos stay?Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Why do weeds grow faster than other plants? What happens when our body cramps? How do Bears hibernate?Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Do flies like humans more than poop? How is dark energy created? Will masks change the evolution of our face? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Could we adapt to the climate on Mars? What is system inertia? How scientifically accurate is the 2015 film 'The Martian'?Our special guest this week is Dr Adrian Brown from NASA's Jet Propulsion Laboratory. He and Dr Karl answer these questions and more, on triple j Mornings with Lucy Smith.

Why do insects bite me and not my partner? What impact do wind farms have on marine life? How do underwater noises effect dolphins?Our special guest this week is Dr David Wachenfeld from the Australian Institute of Marine Science. He and Dr Karl answer these questions and more, on triple j Mornings with Lucy Smith.

Why do we itch at random times? Will mining on the moon affect Earth? How do tracking dogs pick up people's scent?Dr Karl answers these questions and more, on triple j Mornings with guest host Ash McGregor.

What causes colours in sunsets? Why can some people spin their eyes really fast? How much pollution is being emitted when a car sits at traffic lights? Dr Karl answers these questions and more, on triple j Mornings with guest host Pip Rasmussen.

Dr Lucy and Dr Karl are joined by special guest astrophysicist Professor Geraint Lewis to answer all your science questions inspired by movies! What's the most accurate time travel movie? How fast do you need to move to dodge bullets? When will we get hoverboards?

Can Metalcore clear your throat? Can you make alcohol out of paper? Why is the ocean salty?Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

What part of our nose do we use to smell? Will climate change effect evolution? Can you re-catch the sickness you gave to someone else?Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

Where are we at with time travel? How come male seahorses give birth? Is it quicker to go up the stairs two steps at a time?Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

Can you burn more calories if you sing while exercising? What happens when your ears pop? How beneficial is pre-workout?Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

Will another species evolve from humans? Is Jupiter a solid or a gas? If chickens eat redback spiders, do their eggs become poisonous? Dr Karl answers these questions and more, with guest science writer Zoe Kean and guest host Ash McGregor!

Do we have a new planet in our solar system? How does asparagopsis decrease methane gas from live stock? Can plants hear certain frequencies?Dr Karl, Tiahni Adamson and Peter Tuthill answers these questions and more, on triple j Mornings with host Lucy Smith.

Why are bubbles round? Is my vacuum cleaner haunted? Why do we facepalm? Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

How do you measure the size of a galaxy? Will AI answer all the paradoxes in the world? How many times could you wrap your intestines around the globe?Dr Karl answers these questions and more, on triple j Mornings with host Lucy Smith.

How are bulls so toned if they only eat grass? How do astronauts navigate in space? Can you fart and sneeze at the same time?Dr Karl answers these questions and more, on triple j Mornings with guest host Ash McGregor.