Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Why do Dutch people say “I have sawdust in my head” when they do something stupid? How does music affect mental health? What is fainting? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? What is the impact of speaking multiple languages on the brain? Which brain region is the most important? Do we produce new neurons in our adult brains? Or does this stop at a certain age? How is it that some people see an object as blue, while others say that same object is green? When are we able to solve MS?