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MIT, Harvard, and Massachusetts General Hospital have teamed up to commercialize a new diagnostic that uses magnetic nanoparticles to detect viruses and bacteria, reports MIT’s Technology Review. The company, T2 Biosystems, has developed particles that are coated with molecules like antibodies or DNA; when exposed to a magnetic field, the particles bind to their target and form clumps that can be easily visualized.

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A South African university has told the Wellcome Sanger Institute to return DNA samples it has from indigenous African communities, The Times reports.

The University of California, Berkeley's Rasmus Nielsen and Xinzhu Wei have retracted their CCR5 gene paper due to a technical artifact.

 

University of Virginia researchers are exploring a genetic risk test to gauge type 1 diabetes risk, NPR reports.

In PNAS this week: researchers compare two high-grade neuroendocrine lung cancers, height among ancient Europeans, and more.