Why is sleep so essential? What is the impact of speaking multiple languages on the brain? How do brain cells communicate with each other? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Does a 14T MRI scanner make more noise than a 3T MRI scanner? Do we only use 10% of our brain? Are computers smarter than humans? Are there people or animals with more or fewer than two brain hemispheres? Why do brain tissues have different colours? Why don’t we use stem cell therapy for MS?