A blog post at Nature Medicine's Spoonful of Medicine blog this week describes a prototype of newly developed HIV test chip — a little bigger than a credit card — that analyzes blood samples in minutes and sends its results to doctors via the cloud, making it possible to diagnose HIV-infected people living in remote areas.

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This Week in PLOS

Things Not Found

And the Result Is…

Search for the Cause

In PLOS this week: new gene linked to ocular coloboma, new statistical model for interrogating gene expression networks, and more.

With a new collection, PLOS highlights negative results it has published.

A pair of researchers examines political leanings and views on genomics, finding more of a role for optimism and pessimism in people's views.

The genome of the carnivorous bladderwort is smaller than many other plant genomes, but it still holds on to important genes.