What causes Alzheimer’s disease? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Why do brain tissues have different colours? Why is some information stored so quickly in the brain, while other information takes much longer? Why do Dutch people say “I have sawdust in my head” when they do something stupid? Can you feel pain in your brain? Can a brain scan show whether people are already producing their language response while their conversation partner is still speaking? Are computers smarter than humans? What happens in the brain when you take psychedelics? Why do people still receive electroshock therapy?