Bruise colour, DNA tests and Lightning

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. 

How do birds hear if they have a hole through their heads? Where does matter come from? Just some of the questions put to Dr Karl this week for the Up All Night science phone in. 

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

#078It's one of life's most head-scratchy questions, and one of the most popular chemistry mysteries for youtubers. So let's get to the bottom of this crazy, shape-shifting substance, and finally find out why cornstarch and water do that thing!How to start a podcast. 

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

#011 Rebroadcast Why is honey sticky but salt isn’t? What’s the difference between things that stick and things that just feel sticky? In this episode, Melissa and Jam dive into the chemistry behind adhesion, cohesion, and the forces that make substances cling to surfaces (and to ... Show More

In space, microgravity changes the body. Body fluids shift from the legs toward the head, the back of our eyes flatten, we lose muscle strength, our bones lose some of their density, and even the amount of blood pumped by the heart with each beat drops. To learn more about how mi ... Show More

Trois questions scientifiques par semaine ! Hébergé par Audion. Visitez https://www.audion.fm/fr/privacy-policy pour plus d’informations. 

Sweet, caffeinated energy drinks are in the headlines again as the UK Government says it wants to ban under 16s from buying them. Some can contain the equivalent caffeine as 2 to 4 espressos. James Betts, Professor of Metabolic Physiology at the University of Bath, explains the s ... Show More

Recently, a group of world-leading scientists called for a halt on research to create ‘mirror life’ microbes amid concerns that the synthetic organisms would present an ‘unprecedented risk’ to life on Earth. Ian Sample tells Madeleine Finlay about why this work initially seemed e ... Show More