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. 

Some people fall asleep almost as soon as their head touches the pillow, while for others it can take hours of tossing and turning. CrowdScience listener Assia needs at least 45 minutes to get to sleep: it's always taken her a long time to drift off no matter how tired she is, an ... 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

More and more parents are using melatonin to help their children sleep - but there is little research on the long-term effects. So, what do we know about the risks and is it ok to give it to children as an aid to help sleep?James chats to Paul Gringras, professor of children’s sl ... Show More

Why was Mindy a maple syrup donut last night?! And what does this have to do with the science of dreams?! We've got the questions AND the answers on today's dreamy round of Two Whats?! And A Wow! We're challenging you to find the facts from the fiction about dreams! See Privacy P ... Show More

Our dreams can be exhilarating, surprising, terrifying, even mundane. But where do they come from and what, if anything, do they mean? Dream researcher Antonio Zadra, PhD, talks about why some people remember their dreams vividly while others don’t remember them at all; whether e ... Show More

We spend about a third of our lives either sleeping or trying to fall asleep. Why are we so bad at it? We ask behavioral sleep specialist Jade Wu.  This episode was produced by Hady Mawajdeh and Carla Javier, edited by Miranda Kennedy, fact checked by Melissa Hirsch, engineered b ... Show More

<p>Sleeping is frustrating for many of us. So why do we have to do it? Christian reviews several possibilities and reveals all the bad things that can happen if you sleep too much... or not at all.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcast ... Show More

First up this week, although long touted as a green fuel, the traditional approach to hydrogen production is not very sustainable. Staff writer Robert F. Service joins producer Meagan Cantwell to discuss how researchers are aiming to improve electrolyzers—devices that split water ... Show More

<p>Tea is SPILLED in this episode with our manager Kendra Hill all about the fear of failure. She analyses us deeply to the core in this episode and we share some super interesting science on what causes our fear of failure. Sit back, relax, and enjoy what is essentially a therap ... Show More

Perhaps you couldn't drift off, or maybe you woke in the middle of the night and then couldn't nod off again. In this edition of Inside Health we're talking all about insomnia. It’s an issue that may affect many of us at some point in our lives – but for some it goes beyond a sho ... Show More