Can you unlearn sleeping in the dark? Do colours appear the same to everyone? What is the ‘brain freeze’ sensation when eating or drinking something cold? Can a brain scan show whether people are already producing their language response while their conversation partner is still speaking? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? How does your brain know that you want to move? Can you feel pain in your brain? What happens in the brain when you feel ‘confused’? Do we only use 10% of our brain? What is fainting?