This Week in Science

Washington University Medical Center's D. Ashley Hill published work in this week's advanced online edition of Science that implicates DICER1 mutations in development of familial pleuropulmonary blastoma (PPB), a rare pediatric lung tumor. First using a four-family linkage study, the scientists mapped the PPB locus to chromosome 14q, and from this singled out DICER1.

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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.