Dr Karl Podcast

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.

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 disinfectant, would that kill off COVID-19? Host of Coronacast, Tegan Taylor joins Dr Karl to answer your COVID-19 questions on top of your regular science questions on triple j mornings with Lucy Smith.

Is vaping less damaging than cigarettes? When you hurt yourself, does 'rubbing it better' actually do anything to help? What's better for the environment? Being cremated or buried?  Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

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 actually work?  Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

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 these questions and more, on triple j mornings with Lucy Smith.

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 Karl answers these questions and more, on triple j mornings with Lucy Smith.

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 questions and more, on triple j mornings with Lucy Smith.

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 do the rings of a tree tell us its age? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith

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 these questions and more, on triple j mornings with guest host Tyrone Pynor.

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 to eat? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Why hasn't any other being evolved to have human-level intelligence and consciousness? Why do your teeth move during pregnancy? Is climate change effecting the temperature of the core of earth? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

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 host Lucy Smith.

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 following films; Tenet, Interstellar, Inception, Pulp Fiction, Star Wars, Jurassic Park, Donnie Darko, The Wolverine, & the concept of zombies.

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 questions and more, on triple j mornings with host Joe Khan.

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 answers these questions and more, on triple j mornings with host Joe Khan.

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 more, on triple j mornings with host Lucy Smith.

Do chickens have feelings? Can you make custard from platypus milk? Where did Indigenous people get their calcium before cows? Dr Karl answers these questions and more, on triple j mornings with Corey Tutt from Deadly Science, Karlie Noon from Sydney Observatory and host Lucy Smith.

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 these questions and more, on triple j mornings with host Lucy Smith.

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 more, on triple j mornings with host Lucy Smith.

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 triple j mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 questions and more, on triple j mornings with Clare Collins, Laureate Professor in Nutrition & Dietetics at the University of Newcastle, and host Tyrone Pynor.

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 these questions and more, on triple j mornings with host Abby Butler.

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 Butler.

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 and more, on triple j mornings with host Lucy Smith.

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 triple j mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 mornings with host Lucy Smith.

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 more, on triple j mornings with host Lucy Smith.

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 mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 triple j mornings with host Lucy Smith.

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, on triple j mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 mornings with host Lucy Smith.

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 and more, on triple j mornings with host Lucy Smith.

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 joined by Professor Geraint Lewis from The University of Sydney this week! answering all these questions and more, on triple j mornings with Lucy Smith.

How much force does it take to bite off a finger? Why is salt water so buoyant? Why do I get pleasure from cracking knuckles? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Do dogs have personalities? Can you compost vegan poop? Why do lizard tails wiggle after falling off? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Why do I always hiccup and burp at the same time? Do birds recognise their own reflection? Why does my dog steal my socks? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

What is Mars's role in Indigenous astronomy? Why are snail trails shiny? How do extinct animals come back? Dr Karl answers these questions and more, on triple j mornings with Corey Tutt from Deadly Science, Karlie Noon from Sydney Observatory and host Lucy Smith.

Why can I predict the rain? When's everything going back to normal? How did we draw maps before satellites?  Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Can i change my tastebuds? Can i overcome my food intolerance? Does eating affect my mood? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Professor Clare Collins from the University of Newcastle.

How does weather affect our mood? Can a chicken produce a fertile egg without a rooster? How do some people grow out of their allergies? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Why does seeing babies make me want to have babies? Do you start looking like your partner? Can I fall in love via smell? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

A special COVID edition of Science with Dr Karl this week. We answer all your questions with the host of the ABC's Coronacast Tegan Taylor & Professor Marc Pellegrini - joint head of infectious diseases and immune defence at the Walter and Eliza Hall Institute in Melbourne.

Why do we want to squeeze cute things? Do birds feel G-Force when changing direction? Will my semen trigger my partners allergies? Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith

Should you soap your genitals? Do ducklings ever change their order? Can muscle memory be hereditary? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Which came first; the chicken or the egg? Why does cutting onions make me cry? Does my pee always come out in the same direction? Dr Karl answers these questions and more on triple j Mornings, with host Bryce Mills.

Why is the sky Blue? Why do boiled eggs explode in the microwave? Why are some planets called 'Gas Giants'? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

How do we create blood? Do animals have a sense of humour? Do birds like flying? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Can you catch a ride on a comet? Why does coffee work some mornings and not others? How do trees produce Oxygen? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

What's the difference between a virus and bacteria? Do ants feel hot water? What would happen if everyone started eating a plant based diet? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

When you lose weight, where does it go? Why does the shower steam when the water isn't boiling? Are bees loyal to one hive? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Former NASA astronaut & deep sea explorer Kathryn Sullivan is our special guest today, answering all your space/ocean questions with Dr Karl.

Has the ocean always been salty? Can we turn lead to gold? Is there any science behind star signs? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Where does dust come from ? Have we measured the speed of thought? Is there science behind the 5 second rule ? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Is choccy milk the best post-workout beverage? Why aren't we disgusted by our own body odour? If someone is blind from birth, can they dream? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Could you last on a deserted island, Tom Hanks style? Are bananas actually healthy? Is my vegetarian diet affecting my PCOS? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Professor Clare Collins from the University of Newcastle

What happens if I fall into the deepest hole on earth? Could my dog get COVID-19? How does Dr Karl's brain work? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Would Superman outrun COVID-19? Why do I pee more when I'm camping? Do oranges actually help at half-time? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

What happens when we run out of oil? How long does the human brain last? How do anaesthetics knock us out? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Why do dead people still get goosebumps? What happens if two black holes collide? Why do you feel worse after a long nap? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Do you hear the voice in your head or do you think you think it? why does eating chilli make you feel good? does the sun rotate? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Has the weather been impacted by the Coronavirus? Can you smell when someone is on their period? Was COVID-19 created in a lab? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Science reporter Olivia Willis from ABC News.

Can dogs be left or right handed? Where does the wax go when you burn a candle? How many coffees are too many coffees? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Has evolution made our farts louder? Do rabbits see colour? How do I survive a plane crash? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Can Wearing a hat make you go bald? Can you physically feel a vibe or someone’s energy? Is it possible to crush someone’s head Game of Thrones-style? Dr Karl answers these questions and more on triple j Mornings, with host Karla Ranby, filling in for Lucy Smith.

When can we go to music festivals again? Can you store a fart in a jar? Can exercising make you orgasm? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Dr Norman Swan from the ABC's Coronacast podcast,

Will the bushfires around Chernobyl release nuclear smoke into the air? What is Coronavirus doing for climate change? Why are my farts warm? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Science reporter Olivia Willis from ABC News.

How long does an asymptomatic person stay asymptomatic? Should we be worried about the fumes from hand sanitizer? How long can I eat my hot chicken leftovers for? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Science reporter Olivia Willis from ABC News.

Can you get COVID-19 from patting dogs? When should we be using face masks in public? Can Coronavirus be transmitted through animal meat? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Olivia Willis from ABC News.

Can you be immune to COVID-19? Can it live on receipt paper? How do you test a vaccine? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Olivia Willis from ABC News.

Can you catch the Corona virus from a fart? What about a petrol pump? What about from surfing? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Tegan Taylor from the ABC's Coronacast.

Why does drinking red cordial cure my hiccups? Why do I eat more in the winter? Can I touch my face with gloves on? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith

Are we still seeing light from The Big Bang? Does space end? Is a earthquake on Mars called a Mars-quake? Dr Karl answers this question and more on triple j Mornings, with Professor Don Kurtz and host Lucy Smith.

What's the science behind all this toilet paper buying bullshit? Dr Karl answers this question and more on triple j Mornings, with host Lucy Smith.

Why don't birds have fat legs? Why are LED lights brighter then ever? Was the moon landing real? Dr Karl answers these questions and more on triple j Mornings with host Lucy Smith.

Is protein powder a waste of money? Do men poo more then women? Why does my fried keep getting brain-freeze? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith & special guest dietician Professor Clare Collins!

How does a dog recognise the opposite sex if they can't smell their butt? Is it healthy to eat your own boogers? Plus, is it possible to inter-breed species?

Do your eyes water when you're getting a wax?

In this episode Dr Karl makes a brand new, ground breaking, mind blowing discovery that has changed his life.

How scientists know what the temperature was in the years before records began? What role does cattle have on the impact of climate change? And how have the current bushfires affected carbon levels?

Why do we feel like vomiting after rigorous exercise? Does distance or speed burn more calories? Plus, the movement of air pollution.

Does smoke benefit the soil? Plus, what can we expect to see in the future for fire prevention?

Linda Marigliano and Dr Karl take your questions for one last time together.

Coconut oil, inhaling smoke and why you might feel tired when you're doing nothing?

Chernobyl Exclusion Zone, what is dark matter and what would happen if flies don't exist?

How much information can your brain hold? How do genetics work and does the clitoris have multiple purposes?

Why do male mammals have nipples? Do we have a music taste gene? Plus a fruit fly experiment.

Ever wondered whether birds are evil? Plus do birds have funerals like humans do?

Do you get squeamish at the sight of blood? Plus operating on fish and pollution in your lungs.

Why do we float horizontally in water? Why do some adults develop anaphylaxis? Is soda water good for you?

Can you overcome gluten intolerance? Is toasted bread good for you? Should your poo sink or float?

What happens if you microwave a human? Is there anything wetter than water? What are the benefits of floating tanks?

How will the galaxy Andromeda be feeding on our galaxy The Milky Way? Plus climate change, a positive future and sleeping with your eyes open.

Have the planets ever lined up in the solar system? Why can some people whistle in tune, but not sing in tune? Can you water plants using hot water?

Is a Googleplex the biggest single number? Are rising sea levels only caused by ice melting? Why do we get blocked noses?