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

Acronym Finder: The Acronym Finder is a searchable database of over 4 million acronyms, abbreviations and meanings. Covers: common acronyms, computers, science, technology, government, telecommunications, and military acronyms.

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.

Abbreviations - acronyms and initialisms from a database of over 600,000 entries covering computers, technology, telecommunications, and the military.

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

Brazil travel, Brazil guide, Brazil travel guide, Sao Paulo guide, with articles on Brazilian culture, Sao Paulo entertainment and travel. Brazil discussion forum, Sao Paulo classified ads and Brazil service directory.

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research.

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont of...

Brazil's National Library Foundation

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.