What effect does cyanide have on the brain? What is the impact of speaking multiple languages on the brain? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Why is some information stored so quickly in the brain, while other information takes much longer? Can I learn from a text by listening to it while I sleep?  What goes wrong in the brain when I lose focus? Are computers smarter than humans? How does speaking multiple languages impact the brain? Are there people or animals with more or fewer than two brain hemispheres? Can you feel pain in your brain?