scusate la piccola divagazione....questi si che sono prblemi veri....
Dr Venter's team developed a new code based on the four letters of the
genetic code, G, T, C and A, that allowed them to draw on the whole
alphabet, numbers and punctuation marks to write the watermarks. Anyone
who cracks the code is invited to email an address written into the DNA.
http://www.guardian.co.uk/science/2010/may/20/craig-venter-synthetic-life-form