Dr Karl Podcast

Dr Karl Podcast

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!
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Episode's summary

Why do we dance when we hear music? Can you smell someone's sickness? And why do cats always land on their feet? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here https://ab.co/askKarl

Episodes

1239-

Dyslexia, El Niño and itchy ears

Why do we dance when we hear music? Can you smell someone's sickness? And why do cats always land on their feet? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here https://ab.co/askKarl

08 Oct 2026
1238-

Glowing planets, shrinking brains and living till you're 150

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.

01 Oct 2026
1237-

The full moon, earworms and tickling

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.

24 Sep 2026
1236-

Fingerprints, wombat poo, earthquakes

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.

23 Sep 2021
1235-

Ivermectin, spicy chilli, post-pandemic life

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.

16 Sep 2021