How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? Is it true that you can be ‘left-brained’ or ‘right-brained’? What causes Alzheimer’s disease? Do you learn faster when you’re younger? Why (not)? How does personality arise? And does it change over the course of your life? Why do children outperform adults in the game of ‘concentration’? Can you feel pain in your brain? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? What goes wrong in the brain when I lose focus? How is it that some people see an object as blue, while others say that same object is green?