Why do brain tissues have different colours? Why do children outperform adults in the game of ‘concentration’? How is a neuron made?  Are computers smarter than humans? How does personality arise? And does it change over the course of your life? How is it that some people see an object as blue, while others say that same object is green? What is the ‘brain freeze’ sensation when eating or drinking something cold? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Is the brain more or less active during sleep? What happens in the brain when you feel ‘confused’?