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Dr Karl Podcast

Latest episodes

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May 15, 2025 • 39min

The origins of BBQ, fecal bacteria and the Seven Sisters

Zoe Kean, a science communicator and evolutionary expert, dives into fascinating topics with Dr. Karl. They discuss how living together can make us resemble our roommates, linking it to environmental factors and deep bonds. The conversation highlights the origins of cooking and its impact on human evolution. Zoe also sheds light on the significance of ancient fossils like Lucy, revealing new insights into our evolutionary journey. Plus, they tackle the intricacies of hygiene in everyday life and the science behind sound perception.
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May 8, 2025 • 39min

Smoke alarms, airplane mode and chemtrails 

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.
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May 1, 2025 • 44min

Meat glue, cold remedies and roadkill 

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.
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Apr 24, 2025 • 39min

Rollercoaster retirement, winking, and zombie stars

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.
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Apr 17, 2025 • 38min

Alien planets, sea sickness 101 and the perfect chocolate

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 
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Apr 10, 2025 • 40min

Jet lag, dire wolves and scented farts

What if the Moon was larger than Earth? Explore the intriguing impact of jet lag on our bodies and ways to ease its effects. Discover the fascinating relationship between bees and timber while diving into the science of scents and memories. Learn the secrets behind making sandpaper and the mysteries of glue drying in space. Plus, ponder the possibilities of resurrecting extinct species like dire wolves. Packed with humor and scientific insights, this discussion is a delightful blend of curiosity and knowledge.
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Apr 3, 2025 • 43min

Crime scenes, sweat logic and fighting misinformation

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. 
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Mar 27, 2025 • 41min

Cloud seeding, endorphins and heartstrings

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.
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Mar 20, 2025 • 41min

The ethics of genetics, teleporting earthworms and perfect naps

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. 
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Mar 13, 2025 • 40min

Heterochromia, cold water therapy and time of death

Bianca Nogrady, a scientist and insightful communicator, fills in for Dr. Karl Kruszelnicki and tackles fascinating topics. She explores why trees are less prone to cancer than humans and discusses heterochromia, shedding light on its harmlessness and implications for evolution. The conversation heats up with a dive into how cold water therapy could influence health practices and ends with a thought-provoking debate about the ethical implications of artificial hearts on our definition of death. Plus, there's an alarming look at rising sea levels affecting Tasmania.

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