Not Yet Perfection

As non-invasive prenatal tests for genetic abnormalities are adopted in the clinic, the Wall Street Journal says that there may be confusion among doctors and patients regarding what the results of those tests mean. In fact, the Journal points out, the American College of Genetics and Genomics is working on a statement urging such tests to be called "screens" to emphasize that they predict risk rather than give definitive results.

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US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

Bloomberg reports that Brainstorm Cell Therapeutics plans to offer a treatment it is developing under the "right to try" law for hundreds of thousands of dollars.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.