Eyebrows, carbon dioxide, stomach noises

Can our eyes change colour? What would happen if a planet disappeared from our solar system? Why don't we all have the same sense of taste? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith. 

Should you keep your tent flaps open? What happens to helium balloons when you let them go? Why does bottled water have a use by date? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith. 

How do dogs experience time? Will the trip to Mars be dangerous? Does Dr Karl believe in Aliens? Dr Karl answers these questions and more, on triple j Mornings with Lucy Smith. 

Dr Karl joins Dr Rhod to answer your science questions. Counting calories, making rain and LEDs making more light than they should are just some of the mysteries delved into. 

What happens if you overwater a plant? How does gravity actually work? And should we be cancelling mass events to contain the coronavirus? It's Q&A time on the show, and this week Phil Sansom is joined by a brainy panel of experts: plant biologist Nadia Radzman, particle physicis ... Show More

Recommended for ages 9+Dr Karl, popular science communicator, answers some of of Australia's students burning questions - how much does the sky weigh? How does the multiverse work? How can lizards regrow body parts? Could you survive in a falling lift if you jump as it hits the g ... Show More

How heavy is the Earth? How do snakes digest huge meals? Should I fear falling bullets? We take on these questions and more in this Naked Scientists Question and Answer show! We'll discuss the ideal hair for head lice, the mechanics of using a straw and why men's bits shrink in t ... Show More

Dr Karl and Dr Rhod are joined by Alastair Reynolds, a sci fi author and former European Space Agency scientist. Topics under the spotlight are: the science of toenails, how being in space affects astronauts and what's the good of multi-vitamins? 

This week a rabies-based Trojan Horse that smuggles drugs across the blood-brain barrier, why first-borns are brighter, progress with Parkinson's and a lunar telescope more powerful than Hubble. Plus in this week's ARMAGEDDON-focused show we look at supervolcanes, earthquakes and ... Show More

Dr Chris Smith and the Naked Scientists discuss comfort eating, what happened when a comet collided with the Sun, and why boys' names and girls' names tend to sound different in a very particular way.