Fifty years after the appearance of the insects, the eco system on earth would collapse, while fifty years after the deletion of human beings from the earth, the life would flourish. This deductive example reveals how we humans are much more dependent on the nature than on ourselves, but nature is on itself only. To the extreme, we are meaningless to the nature, but nature has full meaning to us. We are ultimately the imitators of the nature, no matter how our science and technology have or will develop. The Chinese medical scientist Tu You You, who won the Nobel Prize recently, shall have lau... ...Read More>>