Water may seem to be everywhere, but for a rising portion of the world's population, there may soon be hardly a drop to drink -or to use for growing food, supporting industries and cities, and preserving life-giving ecosystems.
During total eclipses of the sun, at least one ancient culture performed mass human sacrifice to placate the gods. While our understanding of these celestial phenomena has grown, the author rediscovers the scientific curiosity they engender.
A recent photography exhibit goes behind the closed doors of major laboratories to shed fascinating light on the research shaping modern life.
A variety of high-tech bomb detectors are under study, but certification, cost, and privacy dilemmas could keep them from your local airport.
One of the nation's foremost computer scientists, exasperated by the unfriendliness of today's computer systems, suggests what designers can do to make machines serve human needs--rather than the other way around.
Urban heat islands are not inevitable, but the product of dark roofs, black pavement, and loss of vegetation. A "cool communities" approach would lower air-conditioning use and make the air healthier.
150 years after Thomas Edison's birth, his record of 1,093 diverse patents is still unrivaled. A massive effort to catalogue his voluminous collection of papers and artifacts is yielding clues to account for his phenomenal success.
Turbulent Skies: The History of Commerical Aviation
The Value of Life: Biological Diversity and Human Society
With the tools of the nanotechnology trade becoming better defined, the ability to create new materials and devices by placing every atom and molecule in the right place is moving closer to reality.