Do the male and female brain differ? Why do brain tissues have different colours? Can I learn from a text by listening to it while I sleep?  When are we able to solve MS? Why do people still receive electroshock therapy? How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? What effect does cyanide have on the brain? What happens in the brain when you take psychedelics? Is it true that you can be ‘left-brained’ or ‘right-brained’? Is the brain more or less active during sleep?