This Week in PLOS

In PLOS One, a team from the University of Wisconsin at Madison reports on findings from a study that used herpes simplex virus sequences to retrace historical human migration patterns. Using genome sequences for 31 HSV-1 isolates from around the world, the researchers uncovered half a dozen clade clusters that appeared to coincide with specific human populations and migration events.

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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.