How does personality arise? And does it change over the course of your life? When are we able to solve MS? Why is it easier to learn a language as a kid? What is already known about long covid and the brain? Can a brain scan show whether people are already producing their language response while their conversation partner is still speaking? Why don’t we use stem cell therapy for MS? Is there a link between rheumatoid arthritis and anxiety? Why do Dutch people say “I have sawdust in my head” when they do something stupid? How does your brain know that you want to move? What happens in the brain when you feel ‘confused’?