People are very creative, our brain is the key to a fast developing of our kind. Our inventions have been continually changing our planet, have influence on things and creatures which are in our surroundings and in the very end the creativity has an influence on ourselves. There is a large number inventions which had changed the human history, the one of the most valid is fire. A warm flame in the dark cave brought the men kind light, warm and preservation from wild animals, it supported them in meal preparation and in hunting animals and according to the neawest researches it had a positive influence on our brain and thinking process.