This Week in Nature

In this week's Nature Communications, a team led by Chinese Academy of Sciences researchers reports details about genetic variation behind the taste and appearance of peaches. They analyzed genome sequencing data generated from a collection of 129 peach varieties — including modern cultivars, traditional landraces, and wild peach relatives — and found that genes associated with flavor traits were likely selected by early farmers during the initial domestication of the peach tree in China.

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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 a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.