HEATKEYS

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 ...

UFRN on academia.edu

Universidade Estadual de Santa Cruz on academia.edu

Journals for Free (J4F) provides a large database of links to free scientific journals available on the web. Journals can be searched using free text and filtered by category, language and presence on other databases.

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

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.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

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.

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