Urban education must be facilitated by (1) extensive development of teaching material; (2) implementing the possibilities found in discipline-based, issue-based, or student-based curriculum design; and (3) improving instruction: the keystone of the educational program. (JB)

The acceptance of self-guidance as an educational goal requires a considerable reorientation of thinking with respect to the purpose of education, the content of the school curriculum, and the role of the teacher. (Author)

Presented is the syllabus for a course, Art for the Elementary Teacher, a humanistic, learner-centered approach to education. (Author/RY)

The value of a marine aquarium as a learning source is discussed. Construction procedures and a list of supply and information sources are given. (CP)

Considers a few aspects of the composition and physical chemistry of seawater and of the processes affecting oxygen in the ocean. (TS)

New research topics have been brought about by the acceleration of nitrogen nuclei to the energy of 36 billion electron volts. Describes experiments on tumor cells, cosmic rays, and nuclear fission performed with the Bevatron at the Lawrence Berkeley Laboratory. (TS)

Modified version of a paper read at the Fall Meeting of the Classical Association of the Atlantic States, October 31, 1969, Syracuse, New York. DS)