This book is the essential scientific reference book for today's young scientist. It contains over 280 key entries and 1,900 subentries of fascinating science topics, thematically organized to make science accessable and relevant, with more than 2,500 full-color photographs, detailed cross-sections, charts, and maps bring science to life on the page. Also included are timecharts, 24-page Factfinder reference section, extensive glossary, and comprehensive index.
