What is the ‘brain freeze’ sensation when eating or drinking something cold? How is it that some people see an object as blue, while others say that same object is green? Why do Dutch people say “I have sawdust in my head” when they do something stupid? Why is sleep so essential? Are computers smarter than humans? Did the gigantic dinosaurs also have gigantic brains and a gigantic number of neurons? How does stress affect your brain? What is the purpose of brain research? Does a 14T MRI scanner make more noise than a 3T MRI scanner? How do brain cells communicate with each other?