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Set your TiVos. Tonight's NOVA scienceNOW, airing at 9pm Eastern, looks into personal genetic testing. The preview to the episode says Harvard's Steven Pinker took a genetic test that told him he had an 80 percent risk of being bald — Pinker's hair is a cross between Mozart and Einstein — and now he's part of the PGP that will be posting their DNA sequences on the Internet.

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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.