If none of the resources listed in this guide covers the subject area of interest to you, look on the page that lists research guides by subject.
There you will find a more comprehensive list of journal databases and other information resources.
Search across thousands of comprehensive encyclopedia entries covering all major science disciplines. This database also includes definitions of scientific terms, biographies of well-known scientists, a few textbooks, and Schaum's Outlines. (McGraw-Hill)
Start by phrasing your subject or general topic in the form of a question.
Then ask yourself further questions about your topic: