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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.

Discovery News digs deep into our world

Watch free, streaming, online documentary films and movies. Collection of stunning, eyeopening, interesting, controversial, full-length documentaries.

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

Science Channel video and news explores wormholes, outer space, engineering, cutting-edge tech, and the latest on your favorite SCI programs!

Chandra X-ray Observatory Center, Gateway to the Universe of X-ray Astronomy

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.

Your guide to FREE educational media. Find thousands of free online courses, audio books, textbooks, eBooks, language lessons, movies & more.

The Jet Propulsion Laboratory is the lead U.S. center for robotic exploration of the solar system, and conducts major programs in space-based Earth sciences and astronomy. JPL spacecraft have visited all of the planets from Mercury to Neptune.

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

Explore HISTORY shows, watch videos and full episodes, play games and access articles on historical topics at History.com.

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

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...