What is the impact of speaking multiple languages on the brain? What is already known about long covid and the brain? Do colours appear the same to everyone? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? What is the purpose of brain research? Are there people or animals with more or fewer than two brain hemispheres? How does stress affect your brain? Why do some people remember things better than other people? Why do Dutch people say “I have sawdust in my head” when they do something stupid? How does your brain know that you want to move?