How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? What effect does cyanide have on the brain? What happens in the brain when you take psychedelics? Is the brain more or less active during sleep? Is there a link between rheumatoid arthritis and anxiety? Why is it easier to learn a language as a kid? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? What is the ‘brain freeze’ sensation when eating or drinking something cold? How is a neuron made?  Does a 14T MRI scanner make more noise than a 3T MRI scanner?