Alphabetically arranged articles presenting medical information on more than 500 diseases, discussing causes, symptoms, stages of the disease, its likelihood of striking, treatments, prevention, and long-term effects.

Presents information of interest to teenagers on the people of the world, money, sports, clothing, entertainment, education, health, the media, pets, the environment, food, computers, and other topics.

Presents facts and statistics on topics for children, including the top ten best-selling toys of 2002 and the number of girls in male-dominated high school sports.

A compact and informative guide to major scientific advances, awards, and discoveries in a wide range of scientific disciplines provides shor tentries and feature articles on such topics as astronomy and cosmology, oceanography, medicine and human body, atmospheric sciences, archaeology and linguistics, geology, and the environment, among others. Original. 50,000 first printing.

Examines the very promising but controversial use of human stem cells in treating medical conditions ranging from burned skin to damaged spinal cords to various diseases.

Provides facts and figures on a wide variety of topics, including health and nutrition, science and technology, and education and learning, accompanied by more than 2,000 charts and graphs. (view table of contents)

Discusses the gradual warming of our planet, its possible causes and effects, and some solutions (view table of contents)

Product Description: The Penguin Desk Encyclopedia of Science and Mathematics has thousands of entries that go beyond simply defining concepts or identifying the components of our natural world. It includes: * Detailed drawings throughout * Tables that provide succinct and complete data * An exhaustive index to help locate information tied to the main entries * Cross-references to aid in finding all the information about a particular topic This is a book that will help readers and students straighten out the meaning of science and mathematics in relation not only to our planet, but also to the universe...read more

Alphabetical listings cover the lives and accomplishments of noted scientists, inventions, scientific discoveries, technological innovations, and scientific concepts.

Shows the top ten American rivers, monuments, skyscrapers, cities, construction projects, national parks, curiosities, mountains, bridges, and natural wonders

Introduces the sun, discussing its surface, atmosphere, eclipses, birth, death, and place in the solar system.

Explores ten unique rivers in the United States, including the Mississippi, Yukon, and Rio Grande

Presents information and statistics about the ten most populated cities in the United States, including New York, Los Angeles, Chicago, Houston, Philadelphia, and Phoenix

Presents facts and statistics on ten noted national parks: Great Smoky Mountains, Grand Canyon, Yosemite, Yellowstone, Rocky Mountain, Olympic, Grand Teton, Acadia, Zion, and Mammoth Cave.

Introduces the planets of the solar system, discussing the location, size, and climate of each

Provides an introduction to space travel, describing what astronauts do, how they live and work in space, space shuttles and space stations, and moon landings.

Introduces the Earth's moon, discussing its surface, far side, tides, phases, and eclipses.

Describes ten naturally occuring curiosities in the United States, including Acoustic Sand Mountain, Austin's bat colony, bristlecone pine trees, the flaming fountain in Pierre, South Dakota, and the Thurston lava tubes.

Discusses ten of America's most unique mountains: Grand Teton, Magazine Mountain, Mauna Kea, Mount Elbert, Mount McKinley, Mount Mitchell, Mount Rainier, Mount Saint Elias, Mount Washington, and Mount Whitney.

More than two thousand images offer essential overviews of eighty-five general topics, highlighting the pertinent information, giving concise introductory data, and providing visual aids such as graphs, charts, and maps. Reprint.

Identifies physical characteristics, lifestyle, habitat, reproductive process, and methods of survival of this bird as well as environmental issues relating to it

Describes the physical characteristics, lifestyle, habitat, reproductive process, and methods of survival of this kangaroo which is native to Australia