What scents people pick up on — if one person perceives a smell as floral and another thinks it's lemony — offer clues into the similarity of their immune genes, Scientific American reports.
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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.