Mark O. Martin, who teaches at University of Puget Sound, is one of the microbial world's most passionate advocates. This is revealed in many of his activities, not the least of which is his blog, All Creatures Great AND Small. Here you will find some of his intrepid pedagogical forays, illuminated, so to speak, by stuff that can be done with bioluminescent bacteria on agar plates.
In novel ways, he challenges his students, whom he calls micronauts, to think outside the Petri dish. In his latest post, he tells how in an exam, he asked the students to illustrate a concept discussed in class by using a cartoon. They are all worth looking at, but here is one example, based on the following: '…the way negative regulation of the tryptophan operon in E. coli works reminded one student of the relationship between TrpR and the co-repressor tryptophan.'