Dr Karl Podcast

Explore the physics of human cannonballs as Dr Karl details the escape velocity needed to soar high. Discover how fast you'd need to run to outrun the sun while learning about heartache's effect on the heart. Unpack the science behind hot air balloons' altitude limits and the intriguing geometry of squeezing circles through triangles. Plus, find out what makes a bed catch fire and the secrets of breath-holding records. It's a delightful mix of science and song lyrics!

What's the fastest way to cool down a room? How helpful is a stiff drink on a sick day? And is weeing in the shower good for you? Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about life hacks!

Explore the fascinating world of memory training, with tips on developing a photographic recall inspired by iconic routines. Discover how some people and animals can detect illnesses through smell, and the mysteries behind cryonics. Delve into the science of fear with the surprising connection between adrenaline and metallic tastes. Learn about cutting-edge research in bionic eyes and the intriguing concept of aphantasia, revealing how some people visualize—or don't—when it comes to creativity and recall.

Explore the mysteries of space with fascinating questions! Discover how black holes might challenge our understanding of information. Learn what would happen if everyone jumped at once, and why it wouldn't affect Earth's rotation. Find out how music sounds on different planets and why Jupiter won't explode from rocket flames. Dive into the theories of our universe possibly existing within a black hole and the odds of intelligent life beyond Earth. Join in on this cosmic adventure for all space enthusiasts!

What muscles are required for a yawn? How does jewellery affect our skin? And what's the connection between atoms and physical pain?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

How far into space could we hear the Js? What actually causes 'the runs'? And is drinking snow hydrating?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Can you taste with just a sense of smell? Is it possible for your immune system to reset? And what causes period shits?Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith. 

Where does all our energy go when we die? Why do humans laugh? And is rain water or tap water better for plant growth?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Ever pondered if an invisible person would be blind? Dr Karl dives into the science of light scattering! Learn why ice cubes can develop surprising spikes and how frozen vegetables can often be just as nutritious as fresh ones. Discover the mysteries of pain tolerance, bees making honey, and the effects of nitrous oxide on vitamin B12. Plus, Dr Karl debunks fears about un-rinsed dish soap. Wrap it all up with tips on staying cool in extreme heat!

Zoe Keane, an evolution expert and science communicator from Tasmania, dives into fascinating topics. She explains why Neil the Seal has wandered into Hobart and how thylacines resemble dogs due to convergent evolution. Discover how sniffing a fart works (or doesn’t) and the science behind music giving us goosebumps, known as frisson. Zoe also discusses the potential of sniffer dogs in detecting disease, the possibilities of cryogenic freezing, and even why moist hay bales can catch fire. It's a captivating blend of ecology, evolution, and quirky science!