The human brain pays itself the biggest compliment by never letting us feel any of the enormous efforts with which it produces thoughts and emotions, words and actions. Weighing as little as three pounds, the astounding organ still holds the key to art works and seemingly banal everyday routines. Yet the brain's ingenuity appears to be almost casual. – Most of us have surely never asked ourselves how difficult it would be to open a bottle of wine using a cork draw, let alone phenomena such as humour, sadness, or pride, boredom, thirst for adventure, or play instinct.
Our brain hosts hundreds of pop songs as well as complete symphonies. Its convolutions have created and erected pyramids, have produced "Faustus", and constructed airplanes. It consists of 100 billion cells combined in one great network – shaped like a walnut form the outside, and of the consistency of an avocado inside. Communicating through hundreds of billions of neural connections, they create a cosmos of a world – as individual as a fingerprint, and as fascinating as mysterious..