Full text for about 8,500 periodicals including over 7,300 peer-reviewed journals across most areas of academic study as well as indexing and abstracts for more than 12,500 magazines and journals. Coverage is from 1887 to the present.
From Los Alamos National Lab and Cornell University. Searchable. Includes physics, mathematics and computer science, and quantitative biology preprint literature. Full text is available is various formats. Covers 1991 to the present. Open access.