This Week in Science

Drawing on a survey conducted by the US National Science Foundation, the Commission on Professionals in Science and Technology ranked undergraduate institutions by the number their former students who went on to receive PhDs from US institutions in 2006. The leader was Tsinghua University, followed by Peking University. The University of California, Berkeley was third, and Seoul National University placed fourth.

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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.