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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The Associated Press reports that the US government wasted $341,000 on travel by former Health and Human Services Secretary Tom Price.

Women who post YouTube science videos get more critical comments and more comments about their appearance than male video hosts, the New York Times reports.

The Wall Street Journal writes that participating in genetic research brings up the specter of past research ethics lapses for some African Americans.

In PLOS this week: sequences influencing yeast prion aggregation or degradation, dengue virus genetic variants affect transmission dynamics, and more.