Out of the Night: A Biologist's View of the Future

able already animals artificial atom atom nucleus attain average basis become behavior biological evolution BIOLOGIST'S VIEW biologists body brain cell changes characteristics characters chemical combined continue coöperation cord course defective despite direction discoveries economic ectogenesis effects embryo emotional energy environment eugenic eugenists eventually existence fact feeble-minded forms further future genes genetic differences germ plasm greater H. J. MULLER happiness Hence hereditary heredity human ical ideals important individual Industrial Revolution inherited intellectual intelligence invention J. B. S. Haldane Jules Verne kind knowledge less living machines mammals man's mankind material matter means ment mental methods modern multiplication mutations natural selection organization persons physical population possible practically present progress protoplasm race realize regard reproduction rôle social evolution social inertia society species sperm structure struggle substances tend tion tive traits whole workers