#Microsoft_Tests_DNA_Data_Storage_Ability_with_Shocking_Results
a form of data storage technology that is billions of years old: #DNA.
The tiny molecule responsible for transmitting the genetic data for every living thing on earth could be the answer to the IT industry’s quest for a more compact storage medium.

Despite the small space occupied by the DNA strands, the researchers were nonetheless able to successfully store and retrieve high-definition digital data, #From_Binary_to_Biology
DNA has several advantages as a storage medium. Besides being compact, it is also extremely durable, capable of lasting for a very long time if kept in good conditions.
To store the data as DNA, the binary bits of machine language must first be translated into one of the four nucleotide bases that make up a DNA strand: adenine, cytosine, guanine and thymine. The molecules are then synthetically built following the coding rules. The result is what appears to be a bit of dried salt at the bottom of a test tube.
The team then uses a technique normally employed by molecular biologists known as #PCR to make multiple copies of the DNA strands they want to read. They can then sample, sequence, and decode the relevant data.
The entire process is currently too expensive to use to replace magnetic tape storage. But with the costs of tools to manipulate DNA falling thanks to a growing biotech industry, using DNA to store data may eventually become more cost-effective.
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