Scientific limitations. By definition of science we know that it is looking for ways to solve the problem of information, so science can only solve the problem of an objective basis in reality. Others, such as ethics, value judgments, social orientation, personal attitudes of these problems can not be addressed by the scientific method. Meanwhile, science is also restricted people from natural phenomena to explore the nature of power. People make mistakes, but, due to lack of information or misunderstanding, people sometimes draw the wrong conclusions. But science itself is a self-correcting capability, when we acquire new knowledge.....