Why do some people remember things better than other people? Do you learn faster when you’re younger? Why (not)? How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? Can you unlearn sleeping in the dark? Can I learn from a text by listening to it while I sleep?  Can you distinguish between people who are visual or auditory learners? Why is sleep so essential? What is the ‘brain freeze’ sensation when eating or drinking something cold? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? What happens when you have a blackout during an exam?