Beat spam with the best disposable e-mail service. Have students use to setup accts online and NOT give any personal info. Just enough time to signup and get confirmation.
Boolify makes it easier for students to understand their web search by illustrating the logic of their search, and by showing them how each change to their search instantly changes their results. It's simple, immediate and easy to use. Search results are presented through Google's "Safe Search STRICT" technology.