This Week in Science

In Science this week, researchers in the US and Sweden find functional links between beta-amyloid peptide toxicity and risk factors for Alzheimer's disease by modeling Aβ toxicity in yeast. A genome-wide screen for toxicity modifiers identified the yeast homolog of phosphatidylinositol binding clathrin assembly protein and other factors connected to Alzheimer's that had not previously been connected to Aβ toxicity.

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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.