Year in review: Life’s complexity recoded
Scientists create variants of natural DNA
![yeast cells](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/12/24_0.jpg?fit=860%2C460&ssl=1)
RISE UP Baker’s yeast, Saccharomyces cerevisiae, seen under a microscope, ferment fruit and grain into alcohol and make bread rise. Now researchers have taken the first step toward making a synthetic version of the organism that may perform feats regular yeast never could.
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