A biochemist introduces a new science, humanics, the science of human beings, which is developed and applied to human betterment, will enable everyone to have sounder knowledge of himself. This, its initial presentation to the lay public, is consistently interesting and intelligible, correlating, as it does, a good deal of medical information with everyday life. The material in itself is not new- but rather its application. Here are individual variations and responses, in metabolism, energy, vision and other senses; the influences of heredity and environment; the role of the endocrine glands; man's physical and social behavior. An extension of contemporary scientific investigation.