...the scientific and technical challenges posed by the human adventure embodied in our space program.' It is still too early to judge the full impact of the space program, and future generations "will undoubtedly take up the quest for knowledge and the conquest...

...(eg, cookstoves) are meeting a critical need, particularly in fuel-short areas of the Sahel region. While it is still too early to judge the full impact of these efforts to Increase fuelwood supply, the preliminary results are encouraging. In addition to...

...to the wiles of charlatans, many a scholar yearned for a breathingspell and a reassertion of truth.1 While it is still too early to judge the full impact of the "new era" by the finished products, it is clear that two trends have converged to produce the present...