A rare white flower from Japan, the Paris japonica, has been found to have the longest genome in the world, reports Associated Press's Raphael Satter. Researchers at Kew Gardens in London, who published their findings in Botanical Journal of the Linnean Society, say the flower has a genetic code 50 times longer than that of a human being.

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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.