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This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?

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Scientists have used synthetic DNA to store digital files--including a photo, Shakespeare's sonnets and an audio recording of Martin Luther King.

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The work is published in the journal Nature.

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Unlike many forms of information storage, DNA is extremely long-lasting and does not require constant electrical power.

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Plus, it's tiny--a small cup of DNA can store one hundred million hours of high-quality video.

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But until now, this storage method has faced too many obstacles:

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DNA synthesis is expensive and only works for short strings, and the decoding process creates lots of errors.

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To avoid these problems, British researchers broke a long string of information into many overlapping short sequences, each tagged with its position in the overall sequence.

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American collaborators then synthesized short pieces of DNA to match the strings, and shipped the material overseas.

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Finally, researchers reconstructed the digital files with complete accuracy.

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DNA storage is still very expensive.

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But the scientists predict advancing technology will lower prices and make their method cost-effective within a decade.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.

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