By transferring the gut microbiomes of adult male mice into young female mice, researchers led by Jayne Danska from the Hospital for Sick Children Research Institute in Toronto report in Science that they were able to stave off the development of type 1 diabetes in those female mice. Additionally, the researchers note that the transfer also affected testosterone levels in the female recipient mice as well as led to metabolomic changes.

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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.