Teachers are the most important school resource. In every country, teachers' salaries and training represent the greatest share of expenditure on education; and this investment in teachers can have significant returns. Research shows that being taught by the best teachers can make a real difference in the learning and life outcomes of otherwise…

Using a conventional notation for representing forces on diagrams, students were presented with questions on the interaction between two objects. The results show that complete understanding of Newton's Third Law of Motion is quite rare, and that some problems relate to misunderstanding which force acts on each body. The use of the terms…

Spurred on by new discoveries and rapid technological advances, the capacity for life science research is expanding across the globe-and with it comes concerns about the unintended impacts of research on the physical and biological environment, human well-being, or the deliberate misuse of knowledge, tools, and techniques to cause harm. This…

Reviews the development of educational programs for library technicians, librarians, and information professionals in Algeria and describes the current educational structure. Topics discussed include the need for improvements in curriculum development, teaching staff development, library facilities, and the use of information technologies. (CLB)