This Week in PLoS

Researchers at 23andMe report their "Web-based, participant-driven" research protocol in PLoS Genetics this week. "The approach takes advantage of the interactivity of the Web both to gather data and to present genetic information to research participants, while taking care to correct for the population structure inherent to this study design," the authors write.

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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.