What happens in the brain when you feel ‘confused’? What happens in the brain with ALS? What goes wrong in the brain when I lose focus? Can I learn from a text by listening to it while I sleep?  What effect does cyanide have on the brain? How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? Why is sleep so essential? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Is the brain more or less active during sleep? Why do some people remember things better than other people?