By comparing the salivary proteomes of younger and older women, John Yates and his colleagues find that protein expression is age-dependent. As they report in the Journal of Proteome Research, they fractionated parotid saliva from 14 women and then analyzed the samples using mass spec and MudPIT. They identified 532 proteins, but found that half were only expressed in a particular age group.

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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.