How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Why do some people remember things better than other people? What is fainting? Why is it easier to learn a language as a kid? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Why don’t we use stem cell therapy for MS? Is dopamine good for you and serotonin bad? How is it that some people see an object as blue, while others say that same object is green? Why is some information stored so quickly in the brain, while other information takes much longer? How does your brain know that you want to move?