The Promise of CRISPR

Genetic engineering used to be rather clunky, the New Scientist says, but recent advances in genome editing using the CRISPR-Cas9 system are speeding things up. Instead of relying on artificial proteins, the CRISPR-Cas9 system is RNA-based.

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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.