Dr Karl Podcast

What’s the next step in human evolution? Are there any land animals that produce electricity? How do bees select their flowers? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

What's the difference between AM and FM radio? Why does plucking our eyebrows make us sneeze? And how do you stop a fart from following you into the next room? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

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. 

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. 

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. 

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. 

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? 

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. 

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? 

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. 

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. 

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. 

Why do we have eyebrows? Is there a way to predict the future of evolution in humans? And what would our doctors ask Charles Darwin at a dinner party?  Dr Karl and special guest Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith. 

How does alcohol affect your sleep? Can energy be destroyed? And how do snakes stay so clean? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

What impact would living on Mars have on our bodies? Could we ever have 'Earth' on our identification? And how are the astronauts stuck on the International Space Station going? Dr Karl and special guest Dr Adrian Brown answer these questions and more on triple j Mornings with Lucy Smith. 

Is math a human invention or something we discovered? How many ways are there to count? And can math offer a solution to microplastics?  Dr Karl and special guest Matt Parker answer these questions and more on triple j Mornings with Lucy Smith. 

How realistic are shark attacks in movies? Why are there no monkeys in Australia? And how important are breathing exercises?  Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith. 

Will humans ever evolve to be immune to cancer? How effective are shark bands for surfers? And are our dreams made of atoms?  Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith. 

Why do some people have a higher caffeine tolerance? How common is shingles in people under the age of 30? And why don’t any mammals have green fur?  Dr Karl answers these questions and more on triple j Mornings with Jordan Barr. 

Do animals get jet lag? How do snakes dig holes if they have no arms? And what impact would the reintroduction of extinct animals have on existing species?  Dr Karl and special guest Dr Marissa Parrott answer these questions and more on triple j Mornings with Lucy Smith.

Why do I need to pee every time I get to my front door? How long could you survive in a car with just air conditioning? And does your sleep schedule matter as long as it's eight hours? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Are electric vehicles still better for the environment if you charge them with a non-renewable energy source? What happens if you hold your urine for too long? And can you get the physical symptoms of anxiety without feeling anxious?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

How much air pollution do space launches cause? Why don’t babies get bad breath in the morning? And is it true your immune system doesn’t know you have eyes?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Why does my Bluetooth speaker glitch when I'm using the microwave? Can fears be genetically passed down? And will there be another major evolutionary period for humans? Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

How small does an animal need to be to survive a great fall? Is it safe to reheat tea or coffee in the microwave? And how are magnets made?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.