After the cold war,the rise of Big History is a new phenomenon of western history.In the context of postmodernism,Big History objectively makes a response to the Christian fundamentalism movement,which has been challenging the scientific knowledge systems including modern history.On the basis of grand unified theory,Big History attempts to explain where we came from,who we are,and where we might be headed,which is following apath of the theory and methodology of natural science.Especially,the origin stories...