This world has changed a lot, since the very beginning. Humans has made an significant development on this earth as compared to the other species. But it is not the thing that makes us so special on this earth, what makes us so special is the power of thinking that we have bestowed with. This is the thing that makes us so special on this planet earth. But are we humans really deserves this level of intelligence, although we have it naturally no doubt !!! For this... If we go back to the history and start digging our culture. how we survived from the great calamities, how we changed the world, how we developed our society, all the answers lies in it....!!! Biologically if we see every species on this is so well designed is to dominate the other species by making them on the top one but natures engineering is so perfect that it created a food chain, this food chain works so well that it maintains a perfect relationship between the apex ones and those species are at the bottom of the ...