A good place to start for any search is the collection of WWW search engines or a choice from a catalogue of search engines. A webcrawler interface is
To search for biology related WWW info try Keith Robison's WWW Virtual Library: Biosciences (and its corresponding virtual library Biosciencesx, or direct to its evolution section), or the W3 Biology Research Tools. For a search of mathematical topics try CSC Mathematical Topics search services.
For software see
Or you can always find something interesting at the bionet pages.
To search for people try
To search library catalogues try
The first major biological journal to go entirely "on-line" (to my knowledge) was the Journal of Biological Chemistry -- check out JBC. There are now many other journals on-line and for links to these see
For free FAX's see the FlexFax system.
To search for MSDS sheets try msdssolutions.com, ccinfoweb.ccohs.ca, www.hazard.com, www.msc.cornell.edu, www.ilpi.com/msds/index.html, or for biohazards www.hc-sc.gc.ca/hpb/lcdc/bmb/biosaf_e.html.
For an archive of TIBS Methods and Reagents column or for the Methods FAQ list.