What is fainting? Why don’t we use stem cell therapy for MS? How does personality arise? And does it change over the course of your life? How does music affect mental health? Do colours appear the same to everyone? Why are you grumpy after a bad night of sleep? What effect does cyanide have on the brain? Are computers smarter than humans? How does speaking multiple languages impact the brain? What is the impact of speaking multiple languages on the brain?