This Week in PNAS

In the early, online version of the Proceedings of the National Academy of Sciences, a team from Switzerland and the US present a genome-scale analysis of gene deletion effects on metabolic networks in 55 bacteria from nine species, including 46 Escherichia coli strains and two strains of Shigella.

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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.