This Week in Cell

A team from the Massachusetts Institute of Technology, the Broad Institute, and elsewhere describe new culprits in lung cancer formation and metastasis found with the help of a CRISPR/Cas9-mediated gene knockout screen in mouse cells. Using a set of more than 67,400 single-guide RNAs, the researchers mutagenized a mouse cancer cell line that started out non-metastatic.

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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.