If science is the process of learning how nature works, what happens when we venture into territory nature apparently hasn't explored yet? A pair of stories from the past week got me wondering about that. First up is an announcement about E. coli enhanced with two extra bases in their DNA. Ordinary DNA is made of four different chemicals abbreviated A, C, G & T; these bacteria have an extra two, abbreviated X and Y, scattered throughout their genome as well. Bacteria have been modified in this way before, but the … [Read more...] about Science Corner: Where Angels Fear to Tread