On her blog, the FemaleScienceProfessor goes through the "Anatomy of a Ph.D. Defense." As a committee member she mainly probes the unpublished data to give feedback on it to the student but sometimes the meetings seem to be a waste of time, she says. Scroll all the way down her post -- the commenters add their own defense experiences.

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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.