Do colours appear the same to everyone? What effect does cyanide have on the brain? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Is dopamine good for you and serotonin bad? Why do some people remember their dreams and others do not? How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? Is there a link between rheumatoid arthritis and anxiety? How do brain cells communicate with each other? How are memories made in the brain? Can you unlearn sleeping in the dark?