Nature News this week examines an increase in the use of dogs as neurogenetics research subjects. Jonathan Flint at the Wellcome Trust Center for Human Genetics tells Nature's David Cyranoski that searching for genes that cause psychiatric problems in humans has proven to be "hard work with slim pickings." Cyranoski says that because of their more than 200-year-history of selective inbreeding, it's "relatively easy to track down the genes responsible" in dogs.

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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.