Pre-death and Post-death Periods of Life

What is the scientific method for learning about scientific realities? It is not as if what we want to know comes to the knowledge of the scientist in its total form. If this condition were applied, all the realities would continue to elude scientists. The progress of knowledge would come to a halt. Man would continue to grope in the dark on the subject of reality. For no reality comes to our knowledge like a mountain which is visible from a distance. Instead, what happens is that during research, the scientist discovers a clue. On giving thought to this, he arrives at a reality of which he had no prior knowledge. In this world every discovery is made by means of a clue. Clues are, in fact, the key to all discoveries in this world. For instance, it has been accepted in science that the ‘big bang’ occurred thirteen billion years ego. Similarly, it has been accepted in science that biological evolution has taken place on the earth. It has also been accepted in science that our universe is an expanding universe, and so on. Such facts as have become established realities today had not been observed by man. Instead, what happened was that certain indicators came to man’s attention. Then by studying these, man expanded his knowledge and went