An online service and index for journal content published by the Institute of Physics, in the fields of physics, mathematics, engineering, chemistry and biology. Contains more than 250,000 articles. Includes links to related articles, references and citations; latest and most popular article listings; and news delivered from the IOP community websites. Journal content from 1874 to present.

Our subscription includes current and back issues of 8 of the titles on this site: Biology Letters, Journal of the Royal Society Interface, Interface Focus, Philosophical Transactions of the Royal Society A: Mathematical, Physical & Engineering Sciences, Philosophical Transactions of the Royal Society B: Biological Sciences, Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences, Proceedings of the Royal Society B: Biological Sciences Notes and Records of the Royal Society.

An e-print service which presents papers in physics, mathematics, nonlinear science, computer science, quantitative biology, and statistics. arXiv.org is a fully automated electronic archive and distribution server for research papers which functions as a means of communicating ongoing research information in these subject areas.

Physical Review journals from their initial volumes to the present. Our subscription only allows access to BACK ISSUES of all the titles. There is a moving wall of 4 years for the recent issues. HOWEVER we also have current online subscriptions to Physical Review Letters and Reviews of Modern Physics, which can also be found on this site.

A collection of "authoritative, analytic reviews in 32 focused disciplines within the Biomedical, Physical, and Social Sciences." Articles are comprehensive, dependable, and offer sizeable bibliographies. If you can find an article on your topic, it will probably point you to most of the relevant primary literature which had appeared up to its publication date, and give you a firm basis for understanding the evolution of research traditions in that subfield.