Dr Karl Podcast

Jan 29 2025 250 ep. 38 mins 36.1k
Dr Karl Podcast artwork

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

  Science
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Satellites, spicy breastmilk and noise-cancelling headphones

Jan 29 2025 43 mins  
Is time an illusion? Do our brains lie to us after a late-night shift? And why did our bodies decide we don't need hairy feet? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Solar urticaria, the mirage effect and friction explained

Jan 22 2025 38 mins  
What would it take to shift the Earth's axis? How does the body process radiation from the sun? And is memory an innate skill or something we learn? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Cat containment, cane toad consumption and the toxic male technique

Jan 15 2025 37 mins  
What invasive species tastes the best? What would happen if we eradicated feral cats? And how does your body respond when you start eating meat again after years of being vegetarian? Dr Karl and special guest Professor Phill Cassey answer these questions and more on triple j Mornings with Lucy Smith.

Olfactory fatigue, genetic diseases and Facebook myths

Jan 08 2025 43 mins  
How long can humans survive without food? Why does coffee taste different when it goes cold? And will quantum computing and AI be the end of humanity? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

A Summer of Science: The Body

Jan 01 2025 39 mins  
In the last episode of our three-part summer series, we’ll be looking back at your best questions about the human body. We’ll delve into questions like does drinking apple cider vinegar improve gut health? How effective are collagen supplements? And what happens if you hold your urine in for too long?

A Summer of Science: The Future

Dec 25 2024 41 mins  
In this episode of A Summer of Science, we’ll be looking back at your best questions about the future. We’ll dive into how reintroducing extinct animals might shape our future, if robots will take our jobs, and what cool burning is and the role it might play in an increasingly warmer climate.

A Summer of Science: Space

Dec 18 2024 43 mins  
Over the next three weeks, we’ll be looking back at your best questions of 2024 and we’re kicking things off with space. In this episode we’ll answer things like is there any science behind astrology? Can you have sex in space? And do aliens really exist?

Vitamin D, pesky flies and psychosis explained

Dec 11 2024 40 mins  
Does your blood type impact your dietary requirements? Is blue green algae safe to swim in? And why are there so many cicadas around this year? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Doppler effect, the smell of rain and water intoxication

Dec 04 2024 42 mins  
Can we really hear the ocean in a seashell? What is considered the "right" amount of water? And why do our ears pop when we have the windows down while driving? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Ozempic, plant protein and food noise

Nov 27 2024 39 mins  
Does intermittent fasting affect your metabolism? Why do you feel nerves in your gut? And could hay fever reignite food allergies? Dr Karl and special guest Dr Clare Collins answer these questions and more on triple j Mornings with Lucy Smith.