HEATKEYS

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

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

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

Scuba Diving provides information on gear, travel, underwater imaging, dive deals, diving news, diving community, diving forum and scuba diving contests.

The world

Articles from the Smithsonian Institution

Catch up on the latest news with Matt Lauer, Savannah Guthrie, Al Roker, and Natalie Morales at the official website of the TODAY Show. Watch the latest videos, find delicious recipes & more.

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

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.

National Geographic Store: Shop for Magazines, Maps, Globes, Atlases, Books, DVDs, travel clothing, outdoor gear, science tools, fun and educational kids toys, and support the non-profit mission of the National Geographic Society with your purchase.

Official US Navy recruiting site. Your source for news and information about the mission of America’s Navy. Careers and jobs available. Education and training programs offered. And how to enlist or become an Officer.

Learn all about the ocean from National Geographic.

Underwater HD video of scuba diving the reefs and wrecks of South Florida with a rebreather.

Sea and Sea bridges the centuries with a comprehensive line of underwater imaging products, from the world