Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary offers fast and concise information, whether the user is searching for a description of an over-the-counter or prescription medication, a medical abbrevi

Online Book Directory: Free books on the Web since 1999. Choose from 9500+ books and 1500+ authors in our catalog. Our books are formatted for the Web, Microsoft eBook, and offline reading.

Los Angeles-based writer Geoff Manaugh provides architectural news and conjecture, heavily illustrated.

Biosphere 2 Biospherics, History of Biosphere 2.

Biosphere 2 is a center for research, outreach, teaching, and life-long learning about Earth and its living systems. The site's giant terrarium, featuring an ocean with coral reef, mangrove wetlands, tropical rainforest, savannah grassland, and fog desert, was used in the 1990s in missions that sealed in Biospherians' as an exercise in developing self-sustaining space-colonization technology. Bios

DesertUSA is a comprehensive resource covering the North American deserts, their history, culture and biodiversity.

Geography4Kids.com! The web site that teaches physical geography and earth science basics to everyone!