• it contains 12 trillion nerve cells (more than two and a half times the people on this
planet)
• it contains 1000 trillion trillion molecules
• it can process 30 billion bits of information a second
• it has 10 billion neurons
• the range of connections all the neurons in the brain could make would amount to
one with 28 noughts after it
• it has enough atomic energy to build any of the world's major cities many times over
• no human being has yet existed who has been able to use all the potential of the
brain.