With new discoveries emerging on an ongoing basis, it is more important than ever to have a comprehensive reference that features the most current information available on the significant break-throughs in Egyptology. Still the only one-volume reference to a civilization that has long fascinated scholars and lay readers alike, Encyclopedia of...

The conflict between good and evil can be found in every culture, mythical tradition, and religion throughout history. In many cases, the source of evil has been personified as demons or devils, and in many belief systems, both are considered to be real entities operating outside the boundaries of the physical world to torment people or lead...

Millions of people have experienced sleeprelated concerns, and millions more suffer from serious sleeping disorders. The lack of proper rest can lead to fatigue at work, affect alertness while driving as well as other serious physical and mental health problems. Written for both the lay reader and the professional, The Encyclopedia of Sleep and...

Uncover the magic and truth behind this compelling topic.In more than 480 entries, "The Encyclopedia of Witches, Witchcraft, and Wicca, Third Edition" is an exciting update to one of the landmark references on the subject - by paranormal expert Rosemary Ellen Guiley. This new edition provides unparalleled coverage of witchcraft...

Conservation refers to the careful and controlled use of natural resources for the purpose of extending the time they are available as well as retaining biodiversity. Conservation does not prevent the loss of plants, trees, land, water, or habitat; it simply slows the rate of degradation of these things. This new book explores aspects of...

In labs, clinics, and companies around the world, an amazing revolution in our understanding of life has taken place. This revolution makes the news nearly every day and has dramatically changed the way medicine is practiced, but the headlines often seem mysterious and scary. Today, discoveries are made at such a dizzying pace that even...

Students with a basic understanding of the environment and concern for its future know the importance of preserving biological diversity. Biodiversity is the variety of living things on Earth or in a specific area. This definition seems simple enough to understand, yet the concept of biodiversity has deeper meanings that challenge even trained...

Environmental engineering's future seems boundless because it is based in the myriad ways in which nature solves its own engineering challenges. People have yet to design a system that pumps water 200 feet straight up toward the sky in a system that is silent, requires no mechanical pumps, and never malfunctions, yet giant sequoia trees do this...

Almost everyone loves a good mystery, and mysteries are the meat of forensic science. The study of forensic science involves the analysis and interpretation of evidence for use in a court of law. Unlike 'pure' disciplines, forensics is an applied science that uses scientific principles to meet specific goals. Many of the principles and...

Until recent times medical science could do little to prevent or cure life-threatening diseases that claimed young lives and made infant mortality commonplace. But today those 85 and over form the most rapidly growing percentage of the population. While death from infectious diseases has been widely controlled, only two of the current top 10...

"The Facts On File Encyclopedia of Health and Medicine" is a comprehensive, four-volume reference perfect for a wide audience - from students to health professionals to lay readers - looking for reliable, accurate, accessible health information. Under direction of the Medical Advisory Review Panel, this authoritative, reference...

Most of the challenges facing the environment are due to the fact that the human population is straining the Earth's finite resources. Fortunately, preteens and teens are in a stage in life where they can embrace idealistic goals and get involved in causes that are important to them. Science teachers have the opportunity to empower their...