Frommer's Moscow and St. Petersburg (Frommer's Complete)
Russia breathes superlatives: the world’s biggest country; its largest supplier of natural gas and second-largest oil producer; home of the planet’s longest railroads, busiest subway system (Moscow’s), and one of its deepest, biggest, and oldest lakes (Baikal, in Siberia). It even boasts balmy beach resorts (on the Black...
How Do Hybrid Cars Work? (Science in the Real World)
In recent years, there has been much concern about the world's reliance on nonrenewable resources, such as oil. Scientists are attempting to decrease our dependency on oil - something cars require to work. Hybrid cars, which run on alternative energy sources like sunlight, corn, and biofuels, may be the key to using less oil. "How Do Hybrid...
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