This Week in PNAS

In the PNAS Early Edition this week, Harvard University's David Haig discusses the impact of genomic imprinting on human behaviors, specifically related to kinship after the dissolution of a long-term mating bond. "The innate dispositions of children toward parents and sibs are expected to be sensitive to cues of marital stability, and these dispositions may be subject to effects of imprinted genes," Haig says.

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Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.

A phylogenetic analysis indicates two venomous Australian spiders are more closely related than thought, the International Business Times reports.

In Science this week: CRISPR-based approach for recording cellular events, and more.

A new company says it will analyze customers' genes to find them a suitable date, though Smithsonian magazine says the science behind it might be shaky.