HEATKEYS

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

Translation by Babylon is a free online version of Babylon

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.

This is the United Nations portal on Development. Here you will find related information and links on sustainable development and other economic and social issues.

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

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...

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

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

Academia.edu helps academics follow the latest research.