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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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Two COVID-19 vaccine developers have released their trial protocols to build public trust, the New York Times reports.

A new analysis finds the rapid COVID-19 test from DnaNudge to be highly accurate, Reuters reports.

In Science this week: global citizens' assembly on genome-editing technologies proposed, epigenetic markers predict metformin response, and more.

According to the Verge, many US states are not including positive results from rapid COVID-19 testing in their case numbers.