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Cloak and Dagger

A new study published in Nature Chemical Biology shows that bacteria can "go undercover" to avoid antibiotics — not by mutating, but by disguising themselves, says 80beats' Veronique Greenwood. When antibiotics are administered, they activate a stress response in bacteria that unleashes a toxin.

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NPR reports that researchers have developed chimeric embryos as part of work toward growing human organs in animals for organ transplants.

According to the Washington Post, the Biden Administration is set to make changes to federal restrictions on fetal tissue research.

In Science this week: approach to isolated trace DNA from archaic humans from sediments, and more.

Texas Monthly looks into the DNA Zoo being collected by Baylor College of Medicine researchers.