Human Brain in pictures (Introduction)
http://www.scientificamerican.com/article.cfm?id=mind-in-pictures-your-brain-by-the-num... 86 billion neurons, 10 quadrillion calculations a second
http://www.scientificamerican.com/article.cfm?id=mind-in-pictures-your-brain-by-the-num... 86 billion neurons, 10 quadrillion calculations a second