What times we live in. Imagine being able to pop a pill, have a poop and find out that you are going to die a horrific death from bowel cancer just like your grandfather and uncles did. Isn't life grand? Maybe you won't have to die after all. The pill you pop is going to make your poop turn colors and tell you what illness you have and hopefully the doctors can get the leaches on you early enough to cure you. That's some serious science.
"Scientists have genetically engineered E. coli bacteria to work safely as a biosensor that can detect the presence of toxins and secret an indicator pigment. The synthetically engineered bacteria (which has had its bad bacteria parts removed) could be used to test water or air samples for pollutants such as arsenic or carbon dioxide. Arsenic in the water, the sample turn blue, for example. But that's not all.
By the year 2039, the scientists — who hail from Cambridge University –think that their so-called E. Chromi could be mixed in with a special probiotic yogurt, which when eaten, would colonize the bowels and release pigments in the presence of diseases such as cancer, stomach ulcers and salmonella. If your poo was green, for example, you might have an ulcer, or if it turned orange, you may want to get tested for colon cancer."