Dr Karl Podcast

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 these questions and more, on triple j Mornings.

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

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

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 j Mornings with Lucy Smith.

What would we do if a giant comet was hurdling towards Earth?

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

How do they predict sunrise and sunset so accurately? Why do people often crave sweet things after dinner? Does hot water actually freeze quicker than cold? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

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 late and wake up early? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

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 are there also white holes? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

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

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 triple j mornings with Lucy Smith.

How are seedless fruits grown? Why are peanuts the most common allergen? Can painkillers target specific parts of the body? Dr Karl answers your science questions on triple j mornings with Lucy Smith.

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 on triple j mornings with Lucy Smith.

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 & Professor Clare Collins answer your questions on nutrition, dietetics and science on triple j mornings with Lucy Smith.

Do magpies talk in their sleep? Can the moon get earthquakes? Is technology stunting our evolution? Dr Karl answers your science questions on triple j mornings with Lucy Smith.

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 cat that won't stop biting you. Why? And what can you do to stop it?  This week we hone in on all your questions about pets and animals. Veterinary specialist and animal behaviour expert Dr Kersti Seksel joins Dr Karl on triple j mornings with Lucy S...

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.