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"It could be the code for a computer program or the lines of a poem. Either way, these living memory sticks can pass this data onto their descendants, and scientists can later read that data by genotyping the bacteria. As Shipman explains in a paper today in the journal Science, his method can upload roughly 100 bytes of data...scientists have already proven they can synthetically manufacture DNA in the lab and write into it pretty much whatever they want, including a full-length book on science."