Sandra Aamodt and Sam Wang have a guest post at Olivia Judson's On the Wild Side in which they discuss the complex interactions between genes and environment, focusing on personality and life experiences. They say that people with similar personalities, which are partially due to genes, are drawn to particular environments. Thus, they may share similar life experiences, such as getting into bar fights, mugged, or suffering from alcoholism.

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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.