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

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights a...

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

Wolfram|Alpha gives you access to the world

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessori...

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

IDEAS is a central index of economics and finance research, including working papers, articles and software code

Our goal at TeacherTube.com is to provide an online community for sharing instructional teacher videos. Upload your lesson plan videos or watch studen...

Free online language dictionaries for your translations: english, italian, spanish, german, french ...