Why do brain tissues have different colours? What happens in the brain with ALS? Why do some people remember their dreams and others do not? When are we able to solve MS? What happens in the brain when you feel ‘confused’? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? What happens in the brain when you take psychedelics? How is it that some people see an object as blue, while others say that same object is green? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Can you unlearn sleeping in the dark?