USA Today : DIY 'biopunks' want science in hands of people

What if you could genetically engineer a yogurt bacteria in your basement that turned blue in the presence of toxic heavy metals such as chromium and cadmium that are known to make people sick? .... Read more here : http://www.usatoday.com/tech/science/2011-06-01-science-biopunk-hacker_n.htm