This Week in PNAS

Human parvovirus B19 has been associated with humans for a thousand years, according to a new study appearing the Proceedings of the National Academy of Sciences this week. An international team of researchers screened shotgun DNA samples obtained from 1,578 ancient human individuals who lived across Eurasia, Southeast Asia, and Greenland for hints of human parvovirus B19.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.