Expectation of Life 20 Years Longer Than It Was in 1890; Skulls are Bigger In our age of progress, scientists have made the interesting and important discovery that present-day man is cleverer iban his ancestors who lived a thousand years ago. This fact is inferred from the far greater capacity of the skull of a modern cultured man in comparison to that of early man. Another fact which should be of greater importance to all inhabitants of the earth is that present-day man lives to a greater age than his forebears. For this it is not necessary to go back very far, as, only fifty years ago, the average age was about twenty years less than it is now.
Whereas the first advance is only to be explained from the point of view of the history of development, this will not account for the increase in age. Among the many causes to be taken into consideration, there is no doubt that a dominating place is occupied by the great possibilities of modern medical science, which
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