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Discovery Channel online lets you explore science, history, space, tech, sharks, & more, with videos & news, plus exclusives on your favorite TV shows.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

IUCN, the International Union for Conservation of Nature, helps the world find pragmatic solutions to our most pressing environment and development challenges. IUCN supports scientific research; manages field projects all over the world; and brings g...

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Marine Biodiversity and Ecosystem Functioning

WikiAnswers: Questions and Answers from the Community

ActionBioscience.org examines bioscience issues in biodiversity, environment, genomics, biotechnology, evolution, new frontiers in the sciences, and education. Includes peer-reviewed articles, class lessons, and educator resources

ThinkQuest is an international competition where student teams engage in collaborative, project-based learning to create educational websites. The winning entries form the ThinkQuest online library.