App Store

Google Play

Details page - Device banner - 894x1036

Step into an infinite world of stories

Listen and read

triple j

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!

Dr Karl Podcast

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.

Vitamin D, pesky flies and psychosis explained

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?

A Summer of Science: Space

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: The Future

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 Body

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.

Olfactory fatigue, genetic diseases and Facebook myths

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.

Cat containment, cane toad consumption and the toxic male technique

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.

Solar urticaria, the mirage effect and friction explained

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.

Satellites, spicy breastmilk and noise-cancelling headphones

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.

Cross-wiring, poison vs. venom and travelling farts

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.

Panic attacks, dark matter and melting ice creams

How much force does it take to bite off a finger?

Why is salt water so buoyant?

Why do I get pleasure from cracking knuckles?

Dr Karl answers these questions and more, on triple j mornings with host Lucy Smith.

Twins, tapeworms, water divining

Listen and read

Other podcasts you might like ...