This Week in PNAS

This week, PNAS reports on a new method to study small molecule metabolites in C. elegans, especially how they might interact synergistically. Using a NMR-spectroscopic method, differential analysis by 2D NMR spectroscopy (DANS), they were able to compare wild-type C. elegans and a mutant lacking pheromone signaling genes to identify both known and unknown ascarosides – in variable concentrations, these molecules can be both sex pheromones and developmental regulators.

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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.