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View hundreds of free videos from National Geographic, featuring animal videos, weather videos, nature videos, world music videos and other most popular video content including shark videos.

YouTube is a place to discover, watch, upload and share videos.

Find breaking news, multimedia, reviews & opinion on Washington, business, sports, movies, travel, books, jobs, education, real estate, cars & more.

Free K-12 educational videos … organized. Tens of thousands of excellent, educational videos in a huge, intuitive directory. Organized, reviewed, rated, and described by teachers. Ideal as a supplement to a curriculum or for independent study. Desi...

Clean funny cartoons and environmental issues ... on Grinning Planet ... to make you laugh and think.

Ecolive.TV is a Green video community for protecting our Environment. Share videos about: Global Warming, Nature and Animal rights, Green living, Green Tech, Activism...

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

Original Articles and Videos for Researching Schools, Degree Programs, Careers, and Online Courses - The Web's Largest Education Portal

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.