Is it true that you can be ‘left-brained’ or ‘right-brained’? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? Why don’t we use stem cell therapy for MS? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Can I learn from a text by listening to it while I sleep?  Why is it easier to learn a language as a kid? How do brain cells communicate with each other? How does music affect mental health? What causes Alzheimer’s disease? Is the brain more or less active during sleep?