What is inside my head?

"What's inside my head?" asks internet meme on the https://memebase.cheezburger.com/. Answer appears to rather simple and complex at the same time - nature is a fractal! By the way did you know that surface of the human brain has a fractal, Hausdorff, dimension of 2.79? This actually means that human brain is neither 3D, nor 2D object.