Dr Karl Podcast

Can lightning make grass greener? What's the closest call we've ever had with a meteorite? Will Artificial Intelligence ever be sentient? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

How can you tell the difference between antibodies and a virus? Would a compass work on Mars? Why are some mosquitos silent and others loud? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do we get bags under our eyes when we’re tired? Why do my fingernails grow faster when I’ve been drinking? Why do I always sneeze five times in a row – never four, never six? Dr Karl answers these questions and more, on triple j mornings with Tyrone Pynor.

Where do double yolkers come from? Why is it so hard to shake the common cold? Why does tiredness effect our perception of time and speed? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Why can't we just make ozone in a lab to replenish what has been lost due to climate change? Is it okay to microwave food twice? What's the best life advice Dr Karl has been given? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Today Dr Lucy and Dr Karl are joined by special guest astrophysicist Professor Geraint Lewis to answer all your questions from around the cosmos. Can you get moonburnt? Could we ever move at the speed of light? How did the big bang happen? What's on the other side of the universe? Dr Karl and Professor Geraint Lewis answer these questions and more on triple j Mornings with Lucy Smith.

It's the most triggering question for your local finance bro - why can't we just print more money? How does our brain know when to kick in and smell things? And why doesn't salt water freeze? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Are some mushrooms infinite? Why does chopping onions make us cry? What would happen if you ate a venomous spider? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Is there a difference between a raised heart rate from an energy drink compared to excercise? If we didn't have high tides or low tides, what effect would that have on Earth? Why can some people wiggle their ears without touching them? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Skim milk vs full cream? Is a Keto diet sustainable for your body? Can being pregnant eliminate a gluten intolerance? Dr Karl & Lucy Smith are joined by Professor of nutrition and dietetics, Clare Collins to answers these questions and more, on triple j Mornings.

How does glue work? Does the ocean evaporate? Is there an everlasting supply of lava? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

How do clouds work? Will carrots turn you orange? Do our hair and nails keep growing after we die? Dr Karl answers these questions and more, on triple j Mornings.

Why do ice cubes taste different to water? Do men have worse smelling urine than women? Is showering too often bad for your skin? Dr Karl answers these questions and more, on triple j Mornings.

What can you do to prevent sleep paralysis? When a sneeze disappears, where does it go? Why do carnivorous plants exist? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

When is the best time to freeze bread? How do we measure lightyears? Are sugar-free energy drinks worse for you than their sugary counterparts? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

Why does the gym make me gassy? Do bugs have blood types? Does sound travel further at the beach? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith.

What would we do if a giant comet was hurdling towards Earth?

Is it possible to be too healthy? What happens if we're busting to wee and hold it? Do men get sleepier than women after sex? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

How do they predict sunrise and sunset so accurately? Why do people often crave sweet things after dinner? Does hot water actually freeze quicker than cold? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Do people with bigger noses have a better sense of smell? Why do we like hot showers so much? Do you need to pay back a sleep debt if you stay up late and wake up early? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do we crave certain foods even if it's been years since we last ate them? Why do giraffe's have blue tongues? We know black holes exist, but do are there also white holes? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do rainbows form in perfect arcs across the sky? Why does drinking water after eating a mint make the water feel so much colder in your mouth? Is handwriting hereditary? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

Why do we sometimes cry when we're happy? Can trees live forever? How do reflections actually work? Dr Karl answers these questions and more, on triple j mornings with Lucy Smith.

How are seedless fruits grown? Why are peanuts the most common allergen? Can painkillers target specific parts of the body? Dr Karl answers your science questions on triple j mornings with Lucy Smith.

How can you keep coffee hotter for longer? What's the purpose of fingernails? Can birds get struck by lighting? Dr Karl answers your science questions on triple j mornings with Lucy Smith.