Each one of these cells is as complicated as a city. Your brain is built of cells called neurons and glia-hundreds of billions of them. This is the mission control center that drives the whole operation, gathering dispatches through small portals in the armored bunker of the skull. Three pounds of the most complex material we’ve discovered in the universe. A sheet of high-tech self-healing sensory material that we call skin seamlessly covers your machinery in a pleasing package.Īnd then there’s your brain. The machinery includes a sophisticated scaffolding of interlocking bones, a netting of sinewy muscles, a good deal of specialized fluid, and a collaboration of internal organs chugging away in darkness to keep you alive. Beneath your dashing good looks churns a hidden universe of networked machinery. Take a close look at yourself in the mirror. There’s Someone In My Head, But It’s Not Me
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