HEATKEYS

World Wide Web server for Julien Clinton Sprott, Professor of Physics at the University of Wisconsin - Madison

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 and experience.

reddit: the front page of the internet

MedicalGeek, Online community for Medicalstudents & Doctors where you can join various medico all over the world.

Mahalo, the knowledge sharing service; helping people quickly find the best information on topics, how to’s and coupons. Members of the public can also earn money by contributing to Mahalo topic pages or by answering questions on the Mahalo Answers...

symptom checker allowing research of the causes of one or many symptoms in an extensive knowledge base, including common and rare causes.

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 ...