The humanity is very creative, our brain is the key to a strong developing of our kind. Our improvements have been continually changing the world, have impackt on crucial matters and creatures which surronds us and in the end the creativity has an impact on ourselves. There are many inventions which had changed the human history, the one which is the most valid is fire. A bright flame in the obscure cave brought the men kind light, heat and preservation from wild animals, it helped them in food preparation and in chaesing animals and according to the neawest analysis it had a great impact on our brain and process of thinking.