If we can control evolution well enough to turn wolves into poodles, why can't we use the same method to turn viruses into magic bullets for cancer? Virologists are trying to do just that.
Erin Naegle recently turned me on to Stephen R. Burton and Christopher Dobson's Spork & Beans exercise, which appeared in the February 2009 issue of American Biology Teacher.
Among the useful things I learned while teaching high school many years ago were two sure-fire strategies guaranteed to get the attention of any audience any time: You can talk about sex, or you can gross 'em out. Among the things I love about teaching biology is that it offers plentiful opportunities to do both. In this spirit, I'd like to tell you about canine transmissible venereal tumor (CTVT).