It is the result of 500 millions years of evolution, constantly changing, and yet still evolving today.
It controls every part of our body, every aspect of our life and every step of our behavior. It creates feelings such as joy, love, anger or sadness. It makes us conscious, gives us our mind, human being instead of beasts. Without it, we wouldn’t have innovation and creation processes, those that shape our modern society and give us the ability to rule the world, and soon beyond.