What is the purpose of brain research? What is fainting? Are emotions experienced in the heart or the brain? How is it that some people see an object as blue, while others say that same object is green? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Why do some people remember their dreams and others do not? What is the ‘brain freeze’ sensation when eating or drinking something cold? How are memories made in the brain? What is the impact of speaking multiple languages on the brain? Is dopamine good for you and serotonin bad?