(October 20, 2006)
It's easy to suffer from information overload when the world's data is at your fingertips. What you need are tools that help you home in on the most relevant facts and organize them. We've rounded up (in random order) some great services that help you go straight to expert sources and keep track of your research. These digital tools can keep you on track--whether you're working on a middle-school science fair, wrapping up a graduate degree, or pursuing a hobby.