What is the impact of speaking multiple languages on the brain? Why do some people remember their dreams and others do not? What is the ‘brain freeze’ sensation when eating or drinking something cold? When are we able to solve MS? Why do people still receive electroshock therapy? What happens when you have a blackout during an exam? Can you unlearn sleeping in the dark? Why do brain tissues have different colours? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? How is a neuron made?