This Week in Science

In a paper published online in advance in Science this week, researchers at Harvard Medical School and their colleagues show that in mice the Lynx1 protein "prevents plasticity in the primary visual cortex late in life." The authors report that the loss of Lynx1, a molecular brake, "enhances nicotinic acetylcholine receptor signaling" and add that the expression of this protein "maintains stability of mature cortical networks in the presence of cholinergic innervation." The Harvard-led team s

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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.