But now as the rat explores around, each individual cell fires in a whole array of different locations which are laid out across the environment in an amazingly regular triangular grid.
Amazingly, according to Josephus, the over 7-km-long (4.5 mi) fortification was completed in just three days, an undertaking that ordinarily would have required a number of months.
Our brain is an amazingly complex part of the body with billions of elements that are generating signals at approximately one hundred to two or three hundred a second.
And there's hope in this next section, of this brain section of somebody else with M.S., because what it illustrates is, amazingly, the brain can repair itself.