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? Do the male and female brain differ? What is already known about long covid and the brain? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Can you distinguish between people who are visual or auditory learners? How does speaking multiple languages impact the brain? How does music affect mental health? Is dopamine good for you and serotonin bad?