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 fr...

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

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

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...

For more than 40 years, the Autism Research Institute (ARI) has devoted its work to conducting research and to disseminating the results of research o...

Discovery Health explores the human body in all its scientific and cultural aspects. Learn about diseases, wellness, medical technology and more on Di

Find breaking news, multimedia, reviews & opinion on Washington, business, sports, movies, travel, books, jobs, education, real estate, cars &...

Academia.edu helps academics follow the latest research.

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

Learn Spanish free online, learn German free, study English online and other foreign languages. Practice vocabulary in many languages with Vocabulix