This Week in Science

In this week's Science, a team led by Harvard University researchers reports on a study in zebrafish that provided new insights into how melanoma is triggered. The investigators focused on crestin, a gene that is expressed in embryonic neural crest cells, but not adult tissues — except when melanoma develops.

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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.