Despite everything that has been written about the brain, a very important part of this vital organ has been overlooked in most books -- until now.The Other Brainis the story of glia, which make up approximately 85 percent of the cells in the brain. Long neglected as little more than cerebral packing material ("glia" means glue), glia are sparking a revolution in brain science.Glia are completely different from neurons, the brain cells that we are...