PLOS Biology

PLOS Biology Open-access medical journal from the Public Library of Science (PLOS) (2004-present).

Nature

Nature Research in all fields of science and technology (1997-present).

IEEE Xplore

IEEE Xplore Scientific and technical content published by the IEEE (Institute of Electrical and Electronics Engineers) and its publishing partners.

GreenFILE

GreenFILE Information covering all aspects of human impact on the environment.

Gale Ebooks

Gale Ebooks Variety of reference books covering arts, biography, business, education, environment, general reference, history, information & publishing, law, library science, literature, medicine, multicultural studies, nation & world, religion, science, social science, and technology.

DOAJ

DOAJ The Directory of Open Access Journals. Covers free, quality-controlled scientific and scholarly journals.