Scientist William J. Dreyer has hypothesized that the cell surface proteins in the nose that detect odors also help assemble embryos. These olfactory receptors and related proteins act as identifiers, much like the last few digits of a telephone number, that help cells to find their intended neighbors in a developing embryo. Discusses the research…

This is a six-page review of important events related to science that were reported in 1979 issues of Science News. Each announcement appears with the volume and page numbers of the issues in which the articles appeared. (Author/SA)

This is a review of important science news stories of 1990 as reported in the pages of this journal. Areas covered include anthropology, astronomy, behavior, biology, biomedicine, chemistry, computers and math, earth sciences, environment, food science, materials science, paleobiology, physics, science and society, and space sciences. (CW)

Presented is a review of important science news stories of 1989 as reported in the pages of "Science News." Topics include anthropology, astronomy, behavior, biology, biomedicine, chemistry, environment, food science, math and computers, paleobiology, physics, science and society, space sciences, and technology. (CW)

This is a review of important news stories of 1980 as reported in the pages of "Science News." References are divided into specific science areas and are listed after each item referring to the volume and page number in which the main article on the subject appeared in "Science News." (DS)

Reported are the findings of a study of the effects of academic acceleration on the social and emotional adjustments of students. Subjects included 1,247 12 to 14 year olds who scored in the top 1 percent on a national mathematics examination. The advantages of academic acceleration are emphasized. (CW)