Describes the developmental cycle of the Copernican revolution as a swinging pendulum of philosophical and historical interpretation of views of the nature. Indicates that the paradigm shift'' in science results from interactions between scientific evidence and man's expectations of what the universe should be like. (CC)

The chalkboard-globe method was found to be significantly superior to the planetarium teaching situation in respect to the immediate attainment and retention of specific cognitive behavioral objectives in a college physical sceince course. (CP)

A simulation exercise involving being transported to another planet forces students to use different instruments, devices, and units for measuring. (CP)

Describes technological benefits of the United States space program. Programs and sources of further information are given. Examples include computer technology, information sciences, meteorological satellites, weather prediction, communications and education. (JM)

Statistics that pertain to article use and individual user satisfaction should be weighed in determining library journal holdings. Separate article use/user satisfaction relationships must be developed for each discipline and library population. (NH)