ScienceDirect's Freedom Collection includes extensive full-text journal coverage of the physical and biological sciences, as well as some coverage of the social sciences and humanities.
Provides access to scholarly and other learned publications in agriculture, aquatic science, atmospheric science, biology, earth science, environmental science, and many other related subject areas.
Free online database from the National Library of Agriculture, particularly helpful for finding journal articles related to plants, animals, and natural resources. Request citation-only articles through Interlibrary Loan.
Need to get an article that we don't have at SU? Request it through Interlibrary Loan! Most articles are fast and free, opening up the amount of research articles you're able to get.