With time, an increasing number in the world population is becoming old, and changes in the aging brain mean that a significant proportion of the aged are likely to be dependent on others. The devotion of resources to research into the aging brain could bring benefits far outweighing the investment. (Author/CW)

Examines some of the traditional and new methods that have been devised to harness energy from the sun in the form of heat. Discusses some current research and developments underway which are lowering the costs of equipment and installation. (TW)

Describes the rapid progress of computer technologies in China. Details the increased role of computers in business. Presents the problem of Chinese characters in computer usage especially in business. Enumerates computer usage in China at this time. Cites the quantity and quality of computer software as a major limitation. (CW)