Publisher's Synopsis
A reference book and timeline that examines the three pounds of matter inside our heads that does all our thinking for us. The brain has 100 billion nerve cells conected by thousands more to every corner of the body. The brain's cells are wired together with the 100 trillion connections. That makes each and every human brain a contender as the most complex system in the universe, a system that endows us with an intellect that far outstrips that of any other creature.
