Dr Karl Podcast

Host Lucy Smith sits down with marine scientists Mike Emsley and Daniel Ceccarelli from the Australian Institute of Marine Science to explore the complexities of reef monitoring, fish ecology, and the impacts of climate change. The discussion covers the daily work of surveying the Great Barrier Reef, the effectiveness of marine protected areas, and the environmental threats posed by deforestation and El Niño. The episode also addresses a variety of listener questions, ranging from shark behavior and evolutionary timelines to plant movement, bioluminescence, and fish intelligence. The experts conclude by discussing fish sentience, venomous species, and how the public can monitor reef health via the AIMS dashboard.

In this episode of Science Hour, Dr. Carl and Dr. Tanya Bunter discuss recent Nobel Prize discoveries regarding brain stimulation and neutrinos, while addressing listener questions on topics ranging from the physics of how cats land on their feet to why crying causes itchy ears. The discussion explores the complexities of serotonin production, the evolutionary origins of language, and the mechanics of weather patterns like El Niño. The episode also delves into various scientific curiosities, including the ability to smell diseases, the neurodevelopmental nature of dyslexia, and the science behind dancing rhythms. The doctors conclude by investigating the physiological sensation of frisson and the chemical mystery of why saliva can effectively remove bloodstains from fabric.

In this episode of The Science Hour, Dr. Karl corrects previous mistakes regarding food reheating safety and breath-holding risks while exploring the mechanics of daydreaming, bone fractures, hair color changes, and sweat gland function. Dr. Carl and Dr. Tanya further discuss topics ranging from longevity and genetics to the physics of sunsets and space observation. The episode also covers mosquito navigation, the biological effects of sleep deprivation on creativity, brain aging, and the recent discovery of a decagon pattern on Saturn.

In this episode of Science with Dr. Carl, the hosts explore a wide range of scientific inquiries, beginning with a near-death shark encounter and moving into the mechanics of thermal imaging and how beverage containers affect taste. The discussion also covers the physical processes behind joint cracking and B12 injections. Dr. Carl further addresses listener questions regarding physiological phenomena such as sneezing in hot cars, why we cannot tickle ourselves, and the science of 'earworms.' The episode concludes with essential information on hydration, electrolytes, food safety when reheating meat, and the biological triggers behind breath-holding underwater.

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.