Among these search engines now I leave a list that can help those who want to look beyond Google:
- InfoMine : Created by some American universities, categorized content.
- Qwiki : Able to gather information from various sources to create an animation with the results. They have launched a really amazing app iPad. Although the "puzzle pieces" they can be found on Google, the result is unique.
- vlib.org : One of the older catalogs Site. One of its founders was Tim Berners-Lee.
- infoplease.com : Encyclopedias, almanacs, atlases, and biographies on many occasions, do not appear in other search engines.
- scirus.com : More than 370 million scientific papers.
- wolframalpha.com : Finally, you can not stop commenting on the famous Alpha Wolfram able to return results of mathematical operations, intelligent analysis of information and processed data from various sources.
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