Johns Hopkins engineers used Legos to model microfluidic arrays at more easily observable scale, reports Scientific Blogging. Researchers led by Joelle Frechette and German Drazer used small beads, a glycerol-filled tank, and Legos to see what happens on the micro- or nano-scale of a microfluidic array.

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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.