With increased use of prenatal genetic screening, Iceland has nearly eliminated Down syndrome from its population, CBS News reports. It notes that there are still one or two infants with Down syndrome born each year in Iceland, which has a population of 330,000.

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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.