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Full Version: [Wired] DNA Has Four Bases. Some Viruses Swap in a Fifth
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DNA Has Four Bases. Some Viruses Swap in a Fifth

Dozens of viruses don't use the same four nucleotide bases found in all other life. New work shows how this is possible—and perhaps more common than we think.

https://www.wired.com/story/dna-has-four...in-a-fifth