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Translation by Babylon is a free online version of Babylon

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

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

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Your help can save a life

Twitter is without a doubt the best way to share and discover what is happening right now.

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

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.