This Week in PNAS

In the Early Edition of PNAS this week, investigators at the US Food and Drug Administration and their colleagues report that they've detected DNA from xenotropic murine leukemia virus-related virus in peripheral blood mononuclear cells in 32 of 37 individuals diagnosed with chronic fatigue syndrome. In a healthy control population of 44 individuals, the team only found MLV-like virus gag gene sequences in three.

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CNBC reports that Amazon invested in the startup Grail as it sees an opportunity for its cloud computing company in genomics.

Lawrence Krauss writes at Slate that science is needed for good public policy and should not be ignored.

Researchers are working on re-making the yeast genome from scratch, according to the Associated Press.

In Cell this week: functional profiling of Plasmodium genome, a self-inactivating rabies virus, and more.