For many of us, plants herald the change of seasons, represent the promise of nourishment, or serve as stunning visual reminders of Earth's natural beauty. As vital components of nearly every ecosystem on the planet, plants play a fundamental ecological role in the lives of most organisms for their utility in food and clothing production, fuel, shelter, and a host of other activities. Complete with images and diagrams depicting the parts and growth...

Sound has the power to soothe, excite, warn, protect, and inform. Indeed, the transmission and reception of audio signals pervade our daily lives. Readers will examine the mechanics and properties of sound and provides an overview of the "interdisciplinary science called acoustics." Also covered are functions and diseases of the human ear.

Despite their proximity to Earth, much remains to be learned about the origins and conditions of Mercury, Venus, and Mars. The three smallest planets in our solar system and the three closest to the Sun-Mercury, Venus, and Mars-differ greatly from each other and from the place we call home. This far-reaching volume travels to each of the inner planets in turn and details the physical characteristics as well as the exploration efforts made in order...

Bacteria, algae, and protozoa-microorganisms that are easily overlooked in our daily lives-can be found in a wide variety of locations and serve innumerable ecological purposes. While some such organisms have been associated with disease, they have also been invaluable in agriculture and in the production of certain foods, medicines, and other necessities. This informative volume examines the properties and uses of these powerful and essential life...

With a following that remains unmatched by any other sport, soccer has commanded the loyalties of peoples of all backgrounds around the world, stirring the passions of all. National associations in countries across the globe have encouraged the emergence of numerous skilled players and advanced the level of competition and skill in the game, as is often demonstrated in each World Cup. The history, rules, and prominent players of this beloved sport...

The iconic pyramids and striking hieroglyphics of ancient Egypt are but a limited representation of the resplendent culture that once inhabited the Nile Valley. The ancient Egyptians developed sophisticated societies and belief systems, bestowing the world with plenitudes in the way of intellectual and cultural achievement. The vibrance of the ancient Egyptian life-from the dynasties to the masses-are captured in this volume, which also explores the...

Although industrialization and modernization have dramatically improved the quality of our lives, they have also largely contributed to the destruction of our natural resources by engendering waste and creating depletion through overuse. As the world's population continues to grow and consume, litter, chemicals, and a host of other harmful products overrun our land, air, and water. This intriguing volume examines the various pollutants and human activities...