What could go wrong?

The language of life is about to expand its vocabulary. An international team of researchers discovered that the body’s copying machine for DNA works in the same way for manmade, artificial building blocks of DNA as it does for the natural kind.

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If scientists find artificial DNA building blocks work well and are safe to use, the extra building materials could create DNA that codes for new molecules that the body can’t make now. The artificial DNA could also form the basis of a partly synthetic organism.

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