How does personality arise? And does it change over the course of your life? Do you learn faster when you’re younger? Why (not)? Are there people or animals with more or fewer than two brain hemispheres? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? Can a brain scan show whether people are already producing their language response while their conversation partner is still speaking? Is the brain more or less active during sleep? Why is sleep so essential? Why is it easier to learn a language as a kid? Do the male and female brain differ? What effect does cyanide have on the brain?