Learn it in 5
Learn it in 5is a powerful library of how-to videos, produced by technology teachers, for the purpose of helping teachers and students create classroom strategies for today's 21st century's digital classroom
Medline Plus and PubMed
Excellent source of information about all medical conditions by a site not driven by drug companies such as the case for WebMed.
StopBullying
Information for teachers and students on bullying and cyberbullying.