This Week in Nature

In an advance, online publication of Nature this week, researchers report that microRNAs 165 and 166 differentially distribute "target mRNAs in the vascular cylinder determines xylem cell types in a dosage-dependent manner." This, the team writes, is itself mediated by the cell-to-cell movement of the transcription factors Short Root and Scarecrow.

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A new analysis examines the gender gap among paper authors in the sciences and says it may take decades or more to close.

Researchers have uncovered signals of selection that may enable the Bajau people to free five hundreds of feet deep, Reuters reports.

In Science this week: paternally inherited cis-regulatory structural variants in autism, and more.

A new report outlines issues facing the implementation of personalized medicine in the UK, the Independent reports.