Which brain region is the most important? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? Can I learn from a text by listening to it while I sleep?  How is a neuron made?  Why do Dutch people say “I have sawdust in my head” when they do something stupid? Do colours appear the same to everyone? Are computers smarter than humans? Why is it easier to learn a language as a kid? Why do children outperform adults in the game of ‘concentration’?