In Genome Biology this week, a team of researchers led by investigators at the Baylor College of Medicine in Houston, Texas, report that anatomical similarities in divergent species are "accompanied by extensive transcriptome conservation." Using RNA sequencing, the team compared the abundance and developmental regulation of all transcripts in the amoebae Dictyostelium discoideum and Dictyostelium purpureum, which "have similar developmental morphologies although their genomes

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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.