The Small Worlds project is a new initiative organized by Alan Cann at the University of Leicester that aims to teach scientists to use Web 2.0 tools like Twitter, del.icio.us, and FriendFeed. These community-building tools can be "extremely useful ... for forming professional collaborations among groups and individuals," says this post at Bitesize Bio.

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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.