Puerto Rico: An Explosion of People
As a trained geneticist and editor of the Journal of Heredity, ROBEHT C. COOK has studied the patterns of human breeding for years. These patterns, he tells us. are ominous. The world’s population is increasing by more than 68.000 people each day. And the consequences of this increase he has traced with inescapable logic in his new book, Human Fertility: The Modern Dilemma, which Sloane will publish this spring. As Julian Huxley has written in his introduction to the book, “Human population is probably the gravest problem of our time — certainly more serious in the long perspective than war or peace.”