This Week in PLoS

In PLoS Computational Biology this week, scientists at the University of Leeds used a computational approach to better understand how to predict protein folding. Using a model of a specific fast folding protein, they were able to show that "obtaining an accurate description of the mechanisms of folding and unfolding is far from trivial." Their model, they say, can be used to explain the fast folding of many proteins.

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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.