Do animals get jet lag? How do snakes dig holes if they have no arms? And what impact would the reintroduction of extinct animals have on existing species? 

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

Why do I need to pee every time I get to my front door? How long could you survive in a car with just air conditioning? And does your sleep schedule matter as long as it's eight hours?

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

Are electric vehicles still better for the environment if you charge them with a non-renewable energy source? What happens if you hold your urine for too long? And can you get the physical symptoms of anxiety without feeling anxious? 

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

How much air pollution do space launches cause? Why don’t babies get bad breath in the morning? And is it true your immune system doesn’t know you have eyes? 

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

Why does my Bluetooth speaker glitch when I'm using the microwave? Can fears be genetically passed down? And will there be another major evolutionary period for humans?

Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.

How small does an animal need to be to survive a great fall? Is it safe to reheat tea or coffee in the microwave? And how are magnets made? 

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

Are we really eating spiders in our sleep? Do bees have knees? Why are cockroaches so resilient?

Dr Karl, Dr. Robert Puckett and Jess Ward-Jones  answer these questions and more on triple j Mornings with Lucy Smith.

Can AI rewrite its own software? How much water would we need to take to the moon to make it inhabitable? And are robots going to take our jobs?

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

Why are we seeing Olympic records in some sports but not others? Does cracking your fingers actually give you arthritis? And if someone ate a diet of only lavender, would their farts smell nice?

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

Are there more planets than grains of sand on earth? Does food go mouldy in space? And have we started training astronauts to visit Mars? 

Dr Karl and special guest Katherine Bennell-Pegg answer these questions and more on triple j Mornings with Lucy Smith.