How is it that some people see an object as blue, while others say that same object is green? How does music affect mental health? Can brain implants read and control our minds? What is the purpose of brain research? Do colours appear the same to everyone? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Can I learn from a text by listening to it while I sleep?  Is it true that you can be ‘left-brained’ or ‘right-brained’? What is already known about long covid and the brain? Why do some people remember their dreams and others do not?