The research on the natural phenomenon of life and no life. Both visible and invisible. This type of research has been done a long time ago. And bring benefits to mankind, much like the discovery of medicines to discover new inventions, etc., can also be used for scientific research. Solve problems caused by nature as well. Because scientific research, tools and equipment, precise and definite rules. The control experiments because the laboratory. As a result, the findings of science have been very reliable.