People are very creative, our brain is the key to a strong increasing of our kind. Our improvements have been constantly changing our planet, have influence on crucial matters and creatures which are in our surroundings and in the end the imagination has an impact on ourselves. There are many inventions which had changed the human history, the one which is the most important is fire. A warm flame in the dark cave brought the men kind light, heat and preservation from predators, it supported them in meal preparation and in hunting animals and according to the latest researches it had a good influence on our brain and process of thinking.