Paul Fleisher

This book describes Neptune's most interesting features, its position in the solar system, its composition and atmospheric conditions, its moons, and how scientists have learned about it over time.

Outraged people claimed that Darwin's theory had made humans the relatives of monkeys. Scientists were sure that species changed over time, but no one could explain how. In the 1800s, Charles Darwin's studies of thousands of specimens of living things showed that no two individuals of any species were exactly alike. He realized that over millions of years, some individuals had traits that gave them an edge to survive and reproduce. As they reproduced,...

Why does the wind blow? What does air pressure have to do with a thunderstorm? Why is a mountaintop snowy while the valley below is warm? The answers to these questions all involve the layer of air surrounding Earth-the atmosphere. Earth's atmosphere is always in motion. It moves clouds, storms, and warm and cold air from one part of the planet to another. In this fact-packed book, discover how the ever-changing atmosphere determines weather around...

Discusses the causes of weather conditions, explains how meteorologists gather data for their forecasts, and details techniques used to forecast the weather.

Introduces the study of gorillas with emphasis on their habitat, physical characteristics, social life, intelligence, relationship to humans, and status as an endangered species.

Describes how coral reefs are formed, and some of the many plants and animals that live there.