Check out this great AI newsletter. It has a collection of articles on biocomputing. It is a great read. It has posts on the topics such as: From Etch a Sketch to Bact a Sketch at iGEM, E. Coli edge detectors, Silicomimetic Noughts and Crosses in DNA, Genetic inverters, NOR gates and binary counters, How the biologist should comprehend the radio, etc.
You must read it even if you ain’t interested in biology, computers or even both!
Check out the link at: http://www.ainewsletter.com/newsletters/aix_0512.htm