JSTOR is an archive of scholarly writing across academic disciplines. Highly recommended for deeper information gathering in subjects related to the humanities, though STEM-related fields are also represented. Currency varies by journal. You will see this database in college.
This library offers online access to historical newspapers that you can click through cover to cover, or search by topic, date, or article type (article, photo, comic, birth/death/marriage notice, display ad, film review, etc.). They present firsthand accounts and opinions that bring history to life. Also provides access to current full-text content from selected U.S. newspapers.
From POWER Library: This e-resource contains full text for hundreds of science encyclopedias, reference books, periodicals, and other reliable sources. In addition, Science Reference Center includes more than 280,000 high-quality science images from sources such as UPI, Getty, NASA, National Geographic and the Nature Picture Library.
Full-text access to 500 journals and magazines suitable for AP and college-prep science research. Covers earth sciences, life sciences, physical sciences, medical sciences, and applied sciences.
Cloning by 
Amazing Feats of Biological Engineering by 
