The humanity is very creative, our brain is the key to a fast developing of our kind. Our inventions have been continually changing the world, have impackt on things and creatures which are in our surroundings and in the very end the imagination has an impact on ourselves. There are many improvements which had changed the history of humanity, the one which is the most important is fire. A warm flame in the obscure cave brought the men kind light, warm and protection from wild animals, it supported them in meal preparation and in hunting animals and according to the neawest analysis it had a good influence on our brain and process of thinking.