Current Protocols A series of books that strive to be an "authoritative, up-to-date, and comprehensive source for research methods and topical overviews" for the life sciences. Tables of contents and sample chapters available.
Papers in Biomedical Sciences Full text of original papers from the 19th century onwards that Donald Forsdyke deems critical to the understanding of some major problems in the biomedical sciences.
Topix.net: Biology News about biology, collected from various sources on the web.