Which brain region is the most important? What goes wrong in the brain when I lose focus? Why don’t we use stem cell therapy for MS? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Why is sleep so essential? How is it that some people see an object as blue, while others say that same object is green? Are emotions experienced in the heart or the brain? Do some people have stronger mental imagery than others? And does this affect how they learn? Is there a link between rheumatoid arthritis and anxiety?