Is it bad to rub your eyes? What do birds get up to during migration? And which hair colour is the strongest? 

Zoe Kean answers these questions and more on triple j Mornings with Sam Lane. Got a question for Dr Karl - submit it here https://ab.co/askKarl

Do soap suds affect cleanliness? How does salt in the ocean form? How many mushrooms would it take to decompose a human body?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Why do we go to space? How do you design a rocket? And what movie about space gets it most right?

Dr Karl and special guest Jaxon Liebeck answer these questions and more on triple j Mornings with Lucy Smith.

Are black holes really holes? How heavy is a dark star? And what happens when we're mindful?

Dr Karl and Dr Laura Driessen answer these questions and more on triple j Mornings with Lucy Smith. 

Does light travel forever? Why does the dancefloor get so sweaty? And can your friends match your freak?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Why are chocolate and coffee the perfect pair? What's the point of having hairy feet? And how do you make the perfect frozen marg?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Does a plucked hair grow back?  Why does nicotine suppress your appetite? And how high is the sky?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith

Doctors, here's a sneak peek of a brand new podcast co-hosted by Dr Karl.

Why do some people get so hot when they're asleep?  Can you flush microplastics out of your body? Do brain freezes become more common as we age?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. 

Where is the centre of the universe? What would happen if the speed of light increased? And what is Dr Karl's favourite maternity fact?

Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.