Coverage of core journals in all areas of science. Easy to use, designed for the non-specialist. Full-text for selected periodicals.

The oldest database of animal biology and leading taxonomic reference. Abstracts and citations only. Some links to full-text.

Online collaborative encyclopedia intended to document all of the 1.9 million living species known to science.

Searchable backfiles of core journals in the humanities, social sciences and sciences. (Backfiles end 3 - 5 years prior to current date).