human beings

Introduces the differences between rural and urban communities and describes the land, resources, and climates of mountain, island, polar, and desert communities.

This book introduces readers to cells, DNA and how the body works.

Explores the roots of humanity searching for insights into the future of modern society.

Describes the characteristics of each stage of the human life cycle, from birth until old age. Written in Spanish.

Introduces the activities of people in the spring.

Explains the scientific discovery that there is a second chemical code on top of regular DNA that has a large influence on health, and discusses how environment and lifestyle directly affect how genes are expressed.

Presents a visual representation of what the planet would become if all human habitation disappeared.

A NOVA investigation of deaths at high altitudes, looking at mountain rescues, emergency medical evacuations, and science experiments performed on Mt. McKinley in Alaska's Denali National Park.

"Provides comprehensive information on climate change and its effects on the human population"--Provided by publisher.