" rel="nofollow">GNUALMAFUERTE writes: "As we mentioned before NASA's Department of Astrobiology had an important announcement to make today. It looks like Gizmodo was right. You can watch the presentation online right now at href=http://www.nasa.gov/multimedia/nasatv/index.html. It looks like the bacteria in question uses Arsenic as a Phosphorus replacement in its DNA."
Enzymes are things invented by biologists that explain things which
otherwise require harder thinking.
-- Jerome Lettvin