optical sensor arrays

For nearly a quarter of a century, David Walt's laboratory at Tufts University has been applying micro- and nanotechnology to interrogate single molecules, analyze genetic variation, and investigate the contents and behavior of single cells. BioArray News spoke recently with Walt, co-founder and scientific advisory board chair of Illumina and Quanterix, about those activities.

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.