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New Hope for Defeating Rotavirus

Although its name is unfamiliar to many, rotavirus is the leading cause of severe childhood diarrhea worldwide and a frequent killer of young children in developing nations. Now--after 30 years of investigation--vaccines that may well conquer it are ready for market

By Roger I. Glass

Hybrid Vehicles Gain Traction

As car buyers turn to fuel-sipping gasoline-electric hybrid vehicles, a new generation of greener hybrids is just coming over the horizon

By Joseph J. Romm and Andrew A. Frank

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