Can I learn from a text by listening to it while I sleep?  How does personality arise? And does it change over the course of your life? Can brain implants read and control our minds? Do we only use 10% of our brain? Why don’t we use stem cell therapy for MS? Why is sleep so essential? Are there people or animals with more or fewer than two brain hemispheres? What happens in the brain when you feel ‘confused’? How does your brain know that you want to move? Is there a link between rheumatoid arthritis and anxiety?