Why do some people remember their dreams and others do not? What effect does cyanide have on the brain? What is fainting? What is the ‘brain freeze’ sensation when eating or drinking something cold? Can you unlearn sleeping in the dark? What happens when you have a blackout during an exam? Why are you grumpy after a bad night of sleep? Why is some information stored so quickly in the brain, while other information takes much longer? Can I learn from a text by listening to it while I sleep?  When are we able to solve MS?