Science
Life uses 4 DNA letters. Scientists just made 8 work
Source: FlexChar · Published Sep 5, 2026, 7:25 AM
In Science, FlexChar puts this story at the center of the day: Researchers at UC San Diego have demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four letters used by all known life on Earth. Detailed imaging revealed that RNA polymerase handles synthetic DNA letters in surprisingly si FlexChar is surfacing it because it is driving searches and conversation right now.
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