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About three billion years ago, life on Earth split into three domains of life—bacteria, archaea, and eukaryotes. Before that life on Earth consisted of a "planetary mega-organism" called LUCA, or the last universal common ancestor, says New Scientist's Michael Marshall. Now, researchers are busy trying to paint a picture of LUCA and determine exactly how it evolved and split into the three domains of life.

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Reuters reports that Germany is seeking to sequence 5 percent of patient samples that test positive for SARS-CoV-2.

23andMe and Medscape say primary care physicians are increasingly more comfortable with discussing direct-to-consumer genetic testing results.

The publisher of the Science family of journals will allow some authors to place peer-reviewed versions of their papers into publicly accessible repositories.

In Science this week: analysis of genome-wide association studies of chronic kidney disease, and more.