Proponents of 3-D tissue engineering say there's very little point in growing tissue in a 2-D petri dish, because the human body isn't flat and that experimental platforms need to emulate the body's structure more closely, reports Technology Review's Christopher Mims. To that end, a Houston-based company called n3D Biosciences has developed a new technology that uses magnetism to float cells in a 3-D matrix, Mims says.

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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.