Explores the history of steroids, discusses who uses them, describes the physiological effects of using them, offers advice on overcoming addiction, and comments on other performance enhancing drugs.
Discusses the courtship behaviors and rituals of various animals, which usually results in two mature members becoming a couple for the sake of mating and producing offspring, covering bugs, birds, fish, shellfish, reptiles, amphibians, and mammals.
Describes the life of the German mathematician Carl Friedrich Gauss, and focuses on his accomplishments, which include mathematical formulas to determine orbits of planets and the use of electrical current to communicate.
An exploration of biofeedback that discusses what it is; how it works; instruments used to monitor, display, and measure body functions; mental and physical conditions it treats; and challenges it faces. Includes a glossary, bibliography, suggestions for further reading, and Internet addresses.
Presents color-illustrated, step-by-step instructions for eight projects that teach about the oceans, including watching cold water sink, studying the tides, and making a nautical chart.
This book describes the life and work of Ansel Adams, who photographed striking images of the American West, including Yosemite's mountains, valleys, and waters, throughout his life and whose photography appeared in "This is the American Earth," which raised awareness of conservation issues.
Provides information about what makes weather and climate, and features illustrated instructions for eight experiments designed to teach students how the Earth stays warm, how clouds are formed, how rain is measured, and other related topics.
Collects fourteen articles from "Scientific American" magazine on the world's oceans, including case studies and discussions of changes in ocean life and temperature.
