Dr Karl Podcast

Is there a set amount of water on planet earth? Why do I get itchy thighs when I exercise? What goes on inside your body when your heart 'beats out of your chest'? Can a loud noise impact the hearing of an unborn child? How long can you go without sex?

Why is the world's population 50% male and 50% female? Is it softer to run on the road or the footpath? How does skin know to grow back?

Is it better to pick up dog poo or let it fertilize? Do we lose our sense of taste as we get older? Why do I get itchy when I sneeze?

Could our universe be a hologram? Can colliding black holes create musical notes? Will our universe collapse in on itself? Dr Karl and Professor Patrick Hayden from Stanford University answers these questions and more.

Can you teach your eyes to roll away from each other? Is it bad to cough on command? How do relaxation pods work? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.