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DNAmoticons

In a new study in Nature, researchers from Harvard Medical School say they've devised a method to force DNA strands into creating letters, emoticons, and different shapes, reports Ed Yong in Nature News. The researchers use single strands of DNA only 42 base long.

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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.