A reference guide to the human body, providing information about anatomy, body systems, reproduction, aging, nutrition, genetics, and many other topics, and including a list of Web site with additional facts and photographs.
Looks at the mysteries of the ocean that have been solved with the help of scientific advances, about the features, creatures, and treasures of the deep, and considers some of the secrets still waiting to be explored.
Photographs from the Hubble Space Telescope and NASA space probes offer a detailed look at the planets, moons, asteroids, and other objects found in the solar system, describing the climate and geography of each planet and its moons, as well as providing information about the sun and space exploration.