The idea of de-extinction has been floating around lately, bringing to mind the possibility of saber-toothed cats and woolly mammoths roaming the lands that they once called home. Or, on a smaller scale, bringing back flocks of passenger pigeons that once darkened the skies.
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In Science this week: deletion of one microRNA allows pluripotent stem cells to form embryonic and non-embryonic lineages, and more.
Arizona is planning to sue Theranos for "deceptive acts" and misrepresentations of its "capabilities and operation."
If confirmed as Department of Health and Human Services Secretary, Tom Price says he will divest himself of certain holdings, according to Stat News.
Oliver Smithies, who won the Nobel Prize in 2007, has died, the New York Times reports.