(Searches through citations and the full text)
The new, updated version of SciFinder Scholar. Find chemical and related scientific information. FIRST TIME USERS must register to search this database here.

(Searches through citations, subject indexing, and some full text)
A vast index of literature from the sciences, social sciences, and humanities. Also offers cited reference searching to see who has cited a particular document. 1898 - current.

A MUST for biochem majors. Extensive coverage of the life sciences.

(Searches through citations, subject indexing, and abstracts)
An index of scholarly journal articles, primarily in the sciences and social sciences. Covers 1998 - current.

A collection of full text journals, but now available for many areas of science. Coverage goes back to the 18th century and all articles found are full text.