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Explore the sea on the Smithsonian Ocean Portal. Marine biology, videos, pictures, facts and more.

THE starting place for exploring Geography, from your About.com expert Guide to geography. Learn about all concepts of geography, find geographic information, maps, and more. Includes geographic information about every country and state as well as ...

The U.S. Geological Survey

Learn all about the ocean from National Geographic.

The National Oceanic and Atmospheric Administration

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computer...

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Find local news & information, updated weather, traffic, classifieds, sports scores, real estate, jobs, cars, food & wine, travel, entertainment, events and more on SFGate.com. Connect to the Bay Area community.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Oceana is the largest international ocean conservation organization. We work on a limited number of strategic campaigns to stop ocean pollution, protect marine wildlife, promote responsible fishing, stop offshore drilling, ocean acidification, and mo...