Here is a great video on the importance and power of using databases when doing research from:
Research science database, encyclopedias, books, periodicals covering biology, chemistry, earth and space science, environmental science, health and medicine, history of science, life science, physics, science and society, science as inquiry, scientists, technology and wildlife.
Full text magazines, newspaper articles, and ebooks
Access to medical, statistical, health and related information, latest news.
Research database on leading issues, natural disasters, terriorism, today's news, map of the world, World Almanac.
Social issues, articles, topic overviews, statistics, primary documents, links to websites, full-text magazines, newspaper articles.