People are very creative, our brain is the key to a strong increasing of our kind. Our inventions have been continually changing the world, have influence on things and creatures which surronds us and in the end the creativity has an impact on ourselves. There is a large number inventions which had changed the human history, the one of the most important is fire. A bright flame in the dark cave brought the humanity light, heat and preservation from predators, it supported them in meal preparation and in chaesing animals and according to the neawest analysis it had a great influence on our brain and process of thinking.