What happens in the brain when you feel ‘confused’? Why do Dutch people say “I have sawdust in my head” when they do something stupid? Is dopamine good for you and serotonin bad? Do colours appear the same to everyone? How are memories made in the brain? Is there a link between rheumatoid arthritis and anxiety? How does your brain know that you want to move? Can I learn from a text by listening to it while I sleep?  Are computers smarter than humans? Do the male and female brain differ?