Research briefs.

This section offers news briefs related to research. It is reported that the Soviet Academy of Sciences will undergo a major reorganization, a second in two years, aimed at recentralizing all basic research in the physical and social sciences. The U.S. Public Health Service will test drinking water in 3,000 communities to check for sodium content. The initial success of the first liver transplant have encouraged doctors who performed it at the University of Colorado Medical School.