This Week in Nature

In Nature this week, a multinational team of researchers publishes an analysis of the bread wheat genome, identifying genes associated with crop productivity and finding that these families have grown in size, potentially because of selection during domestication. Despite the importance of bread wheat to global human populations, the size and polyploid complexity of its genome has stymied genomic analysis.

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Publication of He Jiankui's work on gene-edited infants would raise ethical concerns for journals, Wired and others report.

The New York Times reports that evidence linking trauma in one generation to epigenetic effects that influence subsequent generations may be overstated.

ScienceInsider reports that US National Institutes of Health researchers were told in the fall they could not obtain new human fetal tissue.

In PNAS this week: skin pigmentation evolution among KhoeSan, biomarkers for dengue virus progression, and more.