The Nascent blog has a post describing a new text mining technology embedded in Nature.com's blogs that aims to give an emotional context for topics in blog posts. The purpose is to better help the site cluster blog posts together for their "stories" section. Called sentiment analysis, the technology stores metadata on each blog in the form of scores given to different terms depending upon how many positive or negative emotions are associated with it.

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Helix customers can purchase apps that interpret different aspects of their genome, Technology Review reports.

The New York Times reports that a number of companies and research institutes are pursuing gene therapies.

Salmon with shorter telomeres survive to make the trip back to their river homes, New Scientist reports.

In PLOS this week: vaginal microbiome composition, population patterns of Chagas-carrying Rhodnius ecuadoriensis, and more.