The recent release of two add-ons for Google Drive brings the power of the Wolfram|Alpha computational search engine directly into Google Docs and Google Sheets.
Alternative Search Tools: These options to Google will help students become better researchers
An Alternative Search Tool for Your Tablet

A new app for the iPad and Android devices uses a highly visual format to provide a different search experience for the tablet user. More than just a pretty interface, Izik—which debuted last month as the top reference app in iTunes—is based on Blekko, the search engine that boasts higher quality results based on human curation.
Joyce Valenza Shares a Secret Search Tool

“When it comes to search, your favorite search engine and your favorite databases may not necessarily be the right places to launch inquiry,” writes Joyce Valenza. Recently she’s tried an overlooked feature of one of her favorite resources, LibGuides, to access the best resources via the expert hive.