DNA Gets a New — and Bigger — Genetic Alphabet

DNA is spelled out with four letters, or bases. Researchers have now built a system with eight. It may hold clues to the potential for life elsewhere in the universe and could also expand our capacity to store digital data on Earth. In 1985, the chemist Steven A. Benner sat down with some colleagues and a notebook and sketched out a way to expand the alphabet of DNA. He has been trying to make those sketches real ever since.
Read more: https://www.nytimes.com/2019/02/21/science/dna-hachimoji-genetic-alphabet.html?linkId=63944037?source=Snapzu