It's pretty awesome to see an actual neuron and be able to identify it's components A neuron from the hippocampus at magnification. There are approximately 100 billion neurons in the human brain. Image by Dr. Carlo Sala, CNR Institute of Neuroscience
"Brains are gorgeous at the right magnification", says Mark Miller. His images are quite impressive, particularly since the neurons connecting in the brain resemble the large-scale structure of the universe.