Are emotions experienced in the heart or the brain? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? What effect does cyanide have on the brain? What causes Alzheimer’s disease? Can a brain scan show whether people are already producing their language response while their conversation partner is still speaking? Is there a link between rheumatoid arthritis and anxiety? How is it that some people see an object as blue, while others say that same object is green? Are there people or animals with more or fewer than two brain hemispheres? How do brain cells communicate with each other? What is fainting?