Why is sleep so essential? How is it that some people see an object as blue, while others say that same object is green? Which brain region is the most important? Why don’t we use stem cell therapy for MS? Do colours appear the same to everyone? Does neuroscience provide better explanations for behaviour than psychology? Do the male and female brain differ? How does your brain know that you want to move? How does our brain create a 3D world? Is this possible with just one eye? Can you distinguish between people who are visual or auditory learners?