iBreadCrumbs.com offers a simple way for students to record their online research and share their results with others. It works by installing a toolbar in Firefox (version 2 only so far) that can be turned on when you're doing research and collects websites you find relevant. Research can be shared with friends or with everyone - here's an example of someone's brief research into Ozone Depletion.

Free Online Tool Helps Users Record and Share Research "As students, the most frustrating aspect of gathering information for research projects was the fact that few were sharing the information they have gathered," said Fine. "iBreadCrumbs.com solves this problem by creating a virtual research lab where everyone in the social network can bookmark and share the research they have conducted."