This educator's guide with activities promotes problem solving, communication skills and teamwork. Topics include lunar geology and regolith, distance to the moon, Apollo landing sites, and life support systems. Some of...
Ground water is the primary source for both municipal and industrial water supplies throughout the world. Some of the world's largest and fastest-growing cities depend heavily on natural aquifers that collect and store...
A recent report stated that in the next decade or so, nearly half of the world's population will live in countries whose water supplies are over-stressed. In parts of Africa, northern China, southern Asia, and the...
Water vapor plays an important role in the water cycle and in the distribution of heat around the planet. By observing the movement of water vapor, scientists can study global wind patterns and the development of...
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