The Scientific Method[http://en.wikipedia.org/wiki/Scientific_method]

The Scientific Method and the Philosophy of Science[http://www.cscs.umich.edu/~crshalizi/notebooks/scientific-method.html]

What are bacteria?[http://www.disknet.com/indiana_biolab/b004.htm]

Planet of the Bacteria[http://www.stephenjaygould.org/library/gould_bacteria.html]

Introductory Video Lectures in Biology[http://videolectures.net/mit7012f04_introduction_biology/

DNA from the beginning[http://www.dnaftb.org/22/concept/index.html]