Why is some information stored so quickly in the brain, while other information takes much longer? What causes Alzheimer’s disease? When are we able to solve MS? What happens in the brain when you take psychedelics? Why do some people remember things better than other people? What is the impact of speaking multiple languages on the brain? What is the purpose of brain research? Can brain implants read and control our minds? How is it that some people see an object as blue, while others say that same object is green? Are there people or animals with more or fewer than two brain hemispheres?