We're aflutter with politics today. First, people are flocking to ScienceDebate2008, a group attempting to get clear stances from political candidates about their scientific views. Barack Obama stepped up and answered the group's 14 questions (John McCain has said he will answer them too).

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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.