Biology - Animal Diversity Project

An integrated resource that not only provides articles by school level, but also links to newspaper and magazine articles, websites, primary resources, and e-books! Includes images, videos, and a dictionary.

Provides full-text online versions of hundreds of top quality reference books in all major subjects from art to medicine, psychology to history, and technology to literature.

Reference articles on all subjects.

A collection of full-text online reference books. Includes works in all disciplines.

Science in Context is an engaging online resource providing contextual information on hundreds of today's most significant science topics. By integrating authoritative, curriculum-aligned reference content with headlines and videos, Science in Context draws students into the subject matter, showing how scientific disciplines relate to real-world issues, from weather patterns to obesity.

Presents a broad range of scientific disciplines through extensive essays, videos, diagrams, definitions, biographies, and experiments.