New Delhi, April 12 -- Charles Darwin in 1860 discovered the theory of evolution and changed the direction of thinking of all scientists. This theory had a profound impact on almost all branches of science since the foundation of how things evolve based upon the forces acting on them was shown for the first time. No wonder Darwin has been described as one of the most influential figures in human history and shares the honors with great scientists like Einstein, Newton, Freud, Kepler, etc.

Since then, millions of books, articles, etc. have been written about how life evolved and the theory of evolution is now an accepted fact. There is also a major program of NASA looking for life in other parts of Universe.

But the basic question of why...